Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

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Question 103351: Solve the following quadratic equation.
x^2 = 7x

Click here to see answer by HyperBrain(694) About Me 

Question 103374: I would like some help on how to work the followign equation.
(x/2+2/3)(2x/3-2/5)

These are fractions within parentheses. This is not a homework problem, just a problem that is similar to my homework one. I look forward to your assistance on this.

Click here to see answer by checkley75(3666) About Me 

Question 103378: Hello. I would like some help not only in finding the answer for this particular problem, but understanding the steps taken in solving the equation. I am not very good at understanding fractions.
(x/2 + 2/3)(2x/3 - 2/5)

Sorry, these are supposed to be fractions.

If you could let me know what your doing step by step, it would better help me
understand, so that I can work on my homework question using the same format.

Click here to see answer by stanbon(57377) About Me 

Question 103344: Factor the following polynomial completely
14x^2-20x+6

Click here to see answer by elima(1433) About Me 

Question 103345: Factor the following polynomial completely.
-3s^2-10s+8

Click here to see answer by elima(1433) About Me 

Question 103390: 1.find three consecutive integers such that the sum of their squares is 77
Click here to see answer by Fombitz(13828) About Me 

Question 103348: Factor each polynomial completely by factoring out any common factors and then factor by grouping. Do not combine like terms.
3a^3+3ab^2+2a^2b+2b^3

Click here to see answer by elima(1433) About Me 

Question 103346: Factor each expression.
a^2(b-c)-16b^2(b-c)

Click here to see answer by elima(1433) About Me 

Question 103381: The price of an item is given by p=2x^2 - 100
Find the polynomial that represents the revenue generated from the sale of x items.
If you could please tell me what you are doing step by step, that would really help me to understand the way this equation is solved.

Click here to see answer by ankor@dixie-net.com(15659) About Me 

Question 103419: Hello. A square has sides of length 3x-2 cm. Express the area of the square as a polynomial.
I think it is supposed to be like this, can you check my work and let me know if it correct, or if not where I went wrong?
(3x-2)^2
=3x^2 - 2(3x)(2)+2^2
=9x-12x+4
Is this correct?

Click here to see answer by stanbon(57377) About Me 

Question 103491: A parsec is approximately 3.1x10%5E16 meters. How many meters are there in 8+x+10%5E13 parsecs
Click here to see answer by stanbon(57377) About Me 

Question 103510: 2y3 + 4y2 + 3y + 6
Rewrite the expression so there is a common binomial factor

Click here to see answer by checkley75(3666) About Me 

Question 103515: Simplify. Assume that no denominator is equal to zero.
Please help me solve the following equation : %28a%5E2b%5E4%29%28a%5E3b%5E5%29

Click here to see answer by checkley75(3666) About Me 

Question 103520: Could someone please remind me how to solve this equation. Factor completely.15x%5E2%2B8x-16

Click here to see answer by checkley75(3666) About Me 
Question 103520: Could someone please remind me how to solve this equation. Factor completely.15x%5E2%2B8x-16

Click here to see answer by oberobic(2304) About Me 

Question 103527: Please help I am not sure how to solve this equation. Rewrite the middle term as the sum of two terms and then factor by grouping. x%5E2%2B9x%2B8
Click here to see answer by checkley75(3666) About Me 

Question 103525: Please help me fatcor this equation completely. y%5E4%2B3y%5E3-5y%5E2-15y
Click here to see answer by checkley75(3666) About Me 

Question 103522: Please help. Factor completely. 6x%5E2%2B19x%2B10
Click here to see answer by ankor@dixie-net.com(15659) About Me 

Question 103526: Can you please help me to factor this Polynomial expression.12ax^3+20bx^2+32cx

Click here to see answer by stanbon(57377) About Me 

Question 103613: (((8/2m-4 + 3/5m-10=1/5)))
Click here to see answer by stanbon(57377) About Me 

Question 103394: i NEED HELP TRYING TI FIGURE THIS OUT.
PERIMETER OF A RECTANGLE - THE WIDTH OF A RECTANGULAR PLAYGROUND IS 2X - 5 FEET, AND THE LENGHT IS 3X + 9 FEET. WRITE A POLYNOMIAL P(X) THAT REPRESENTS THE PERIMETER AND THEN EVALUATE THIS PERIMETER POLYNOMIAL IF X IS 4 FEET

Click here to see answer by ankor@dixie-net.com(15659) About Me 

Question 103626: please provide the simplified results
5x - 5y ÷ 5x - 10y
x2 + 6xy - 16y2 x2 + 10xy + 16y2

Click here to see answer by jim_thompson5910(28598) About Me 

Question 103494: state the slope for the y and x intercept in the equation y=1/2x
Click here to see answer by MathLover1(6634) About Me 

Question 103453: I have started working on this problem, but am not sure if I did it right. Can you help me?


________X___+_7________
x+5)x^2 - 2x -35
x^2 +5
_________
-7x -35
-7x -35
__________
0

Click here to see answer by ankor@dixie-net.com(15659) About Me 

Question 103760: Factor the expression, if possible.
36 a4 + 169b4
Please enter "prime ", if the expression cannot be factored.
The number 4 next to the "a" is suppose to be to the power 4 and so does the 4 next the variable "b"

Click here to see answer by Earlsdon(6287) About Me 

Question 103731: Could someone please help me with this equation??? x%2F3-1%2F4=%283x-8%29%2F12
Click here to see answer by scott8148(6628) About Me 

Question 103730: Could someone lend me a little help. I am not sure what I am doing on this equation. What values for x must be excluded in the following fraction? %28x%2B2%29%2F%28x%5E2-9x%2B14%29
Click here to see answer by scott8148(6628) About Me 

Question 103761: Factor the expression, if possible:
81 a 4 b - b 5
Please enter "prime ", if the expression cannot be factored.
th 4 next to the "a" is to the power of 4, and so is the 5 next to the "b" its to the power of 5

Click here to see answer by edjones(7569) About Me 

Question 103776: Factor the expression, if possible.
x^4 - 1296
Please enter "prime ", if the expression cannot be factored.

i know this is a perfect square because 36*36=1296 but how do i factor it my online assignment i put (x^2+36)(x^2-36) and it says its incorrect then i factor that which is (x+6)(x+6)(x-6)(x+6) and it says it wrong what is the asnwer???HELP ME PLZZZ


Click here to see answer by scott8148(6628) About Me 
Question 103776: Factor the expression, if possible.
x^4 - 1296
Please enter "prime ", if the expression cannot be factored.

i know this is a perfect square because 36*36=1296 but how do i factor it my online assignment i put (x^2+36)(x^2-36) and it says its incorrect then i factor that which is (x+6)(x+6)(x-6)(x+6) and it says it wrong what is the asnwer???HELP ME PLZZZ


Click here to see answer by edjones(7569) About Me 
Question 103776: Factor the expression, if possible.
x^4 - 1296
Please enter "prime ", if the expression cannot be factored.

i know this is a perfect square because 36*36=1296 but how do i factor it my online assignment i put (x^2+36)(x^2-36) and it says its incorrect then i factor that which is (x+6)(x+6)(x-6)(x+6) and it says it wrong what is the asnwer???HELP ME PLZZZ


Click here to see answer by jim_thompson5910(28598) About Me 

Question 103714: Factor the following:
x^6 + 8x^3 -20

Click here to see answer by scott8148(6628) About Me 

Question 103777: Factor the polynomial, if possible
X^4-81

i put on my answer sheet online (x^2-9)(x^2+9) and t says incorreect the i factor that to (x^2+9)(x-3)(x+3) and it still says incorrect ????????



Click here to see answer by edjones(7569) About Me 
Question 103777: Factor the polynomial, if possible
X^4-81

i put on my answer sheet online (x^2-9)(x^2+9) and t says incorreect the i factor that to (x^2+9)(x-3)(x+3) and it still says incorrect ????????



Click here to see answer by scott8148(6628) About Me 

Question 103778: Factor the expression, if possible.
x^4 - 16
Please enter "prime ", if the expression cannot be factored.

Click here to see answer by edjones(7569) About Me 

Question 103787: Factor the expression, if possible.
x^4 - 1296

Please enter "prime ", if the expression cannot be factored.




Click here to see answer by jim_thompson5910(28598) About Me 

Question 103798: factor the trinomial.
m^2 + 4mn - 12n^2

Click here to see answer by jim_thompson5910(28598) About Me 
Question 103798: factor the trinomial.
m^2 + 4mn - 12n^2

Click here to see answer by chriscad(1) About Me 

Question 103799: Level 1, General Polynomials, Degree 2
Write your answer in the form (ay + b) (cy +d) .... (ey +f)
New Problem, Factor:

- 4 y2 - y + 3

Click here to see answer by jim_thompson5910(28598) About Me 

Question 103800: Level 1, General Polynomials, Degree 2
Write your answer in the form (as + b) (cs +d) .... (es +f)
New Problem, Factor:

15 s2 - 19 s + 6

Click here to see answer by jim_thompson5910(28598) About Me 

Question 103801: - 8 w2 + 6 w + 5

Click here to see answer by jim_thompson5910(28598) About Me 

Question 103802: New Problem, Factor:

15 v2 - 31 v + 10

Click here to see answer by jim_thompson5910(28598) About Me 

Question 103807: factor the trinomial . Factor out -1 first.
-b^2+8b-12
(-b+6)(b-2)

Click here to see answer by ursuchacrass(5) About Me 

Question 103727: could someone please help me on this equation i am stumped. %28x%5E2-36y%5E2%29%2F%287x%5E2-42y%29/x%5E2%2B6xy
Click here to see answer by ursuchacrass(5) About Me 

Question 103720: Could someone please help me with this word problem???The profit on a watch is given by p=x%5E2-13x-80 Where x is the number of watches sold per day. How many watches were sold on a day when there was a $50 loss?

Click here to see answer by elima(1433) About Me 

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7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 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