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

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Algebra: Polynomials, rational expressions and equations

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Question 236318: t(3t-1)2nd power
Click here to see answer by stanbon(25959)

Question 236259: x+2=3x-1
Click here to see answer by ichudov(404)

Question 236244: How do I solve 1-9/x=7 ?
Click here to see answer by checkley77(6671)

Question 236191: PLEASE HELP ME SOLVE
2X+5/2>3/2X-2
Click here to see answer by checkley77(6671)

Question 236186: how do you combine like term to polynomial like 6x+4x+2x
Click here to see answer by jim_thompson5910(13679)

Question 236125: I am supposed to add:
(4a^4-3a^3+4a^2+16a-10)+(a^5+11a^3+7a^2-4a+6)+(-7a^4+a^2-8a-5)
The answer I got was a^5 +11a^4+14a^3+12a^2+4a-9
Is that right?
Click here to see answer by mlm47688(2)

Question 236119: I am supposed to divide the polynomial:
(42b^3+23b^2+32b+38)/(6b+5)
The answer I get is 7b^2-2b+7 with a remainder of 3- would that be written as 7b^2-2b+7+3/6b+5, or would it be written as 7b^2-2b+7-3/6b+5?
Click here to see answer by stanbon(25959)

Question 235982: a^3-3a^2 divide by -3a
Click here to see answer by checkley77(6671)

Question 235988: Do you know the rules of adding and subtracting a polynomials?Please give me. I really really need it for our lesson in this quarter. And i also had a question for you, answer it and tell me how do you perform the problem:
(7 - 8v^3 + 9v^2 + 4v) + (9v^3 - 8v^2 + 4v + 6)
Please add it. And also please answer my questions.
THANK YOU!
Click here to see answer by checkley77(6671)

Question 236011: Use the FOIL method to find the product:
(5x^8-3)(x^9-9)
Is the answer 5x^17 + 3x +27
Click here to see answer by ankor@dixie-net.com(6567)

Question 235893: given a real zero, find all other zeros and write the polynomial in factored form.
P(x)=x3+3x2-10x-24 (3is a zero)
p(x)=x to the third power+three x to the second power-ten x-24(three is a zero)
Click here to see answer by solver91311(4818)

Question 235935: answer to (5x-4y) (x+3y)
Click here to see answer by jim_thompson5910(13679)

Question 235917: A polynomial in x has degree 3. The coefficient of x^2 is 3 less than the coeffcient of x^3. The coeffcient of x is three times the coeffcient of x^2. The remaining coeffcient is 2 more than the coeffcient of x^3. The sum of the coeffcients is -4. Find the polynomial.
Click here to see answer by ankor@dixie-net.com(6567)

Question 235794: Hi.
I have been trying for over an hour and can not
solve the following polynomial inequality.

Correct answer is given: [-3,1]
Thank you in advance
Click here to see answer by Alan3354(5863)

Question 235816: Complete the factorization
16x^7 = 2x^2( )
32x^5
8x^4
8x^5
32^x
this is multiple choice but can you work it out for me so i can get it?
Click here to see answer by checkley77(6671)

Question 235872: divide the polynomials using long divisin. What is Q(x) and r(x)?
(11x+20x2+12x3+2) by (3x+2)
(elevenx+twentyx to the second power+ twelvex to the third power + two) divided by (threex+2)
Click here to see answer by Edwin McCravy(2878)

Question 235868: determine whether the iven number is a zero of the polynomials.
2,
p(x)=x to the third power+two x to the second power+ twentynine x+fourty two
Click here to see answer by Edwin McCravy(2878)

Question 235832: (x-5)^2=36
Click here to see answer by checkley77(6671)

Question 235865: I am supposed to solve:
x^2+14x-4=0
Is the answer x=0.28,14.28
I don't think that's right
Click here to see answer by Edwin McCravy(2878)

Question 235865: I am supposed to solve:
x^2+14x-4=0
Is the answer x=0.28,14.28
I don't think that's right
Click here to see answer by checkley77(6671)

Question 235438: Is there a trick to finding the answer to (m-3)^5? (m-3) to the fifth power
thank you,
Taylor
Click here to see answer by josmiceli(2979)

Question 235351: The surface of a balloon varies directly as the square of its radius. The area is when the radius is 5 cm. What is the area when the radius is 10 cm?
Click here to see answer by ankor@dixie-net.com(6567)

Question 235505: 5/x+3 is less than -3/x-1
solve algebraically the rational inequality
Click here to see answer by stanbon(25959)

Question 235756: Find the reciprocal and express it in scientific notation
6.25*10^-3
Click here to see answer by stanbon(25959)

Question 235751: I have no clue even where to begin this!!! Help!
Click here to see answer by Jeff Gordon(22)

Question 235553: How do you start solving this equation?y+5/y=-6 ?
Click here to see answer by checkley77(6671)

Question 235565: Please help me solve for x : 10x^2+70x=180
Click here to see answer by checkley77(6671)

Question 235565: Please help me solve for x : 10x^2+70x=180
Click here to see answer by ankor@dixie-net.com(6567)

Question 235617: I am supposed to evaluate the polynomial when x = -4:
2x^2-2x+9
-16-(-16)+9=
-16+16+9=9
The answer is 9?
The negative 16 at the beginning confused me, I wasn't sure if it becomes paoitive or not.
Click here to see answer by stanbon(25959)

Question 235624: factor. if the polynomial isn't factorable write prime.
3r-rt
Click here to see answer by checkley77(6671)

Question 235527: Use the difference-of-square pattern to factor
Am I doing this correctly?
25-49n²
5²-(7n)2
(5-7n)(5+7n)

Click here to see answer by nerdybill(2415)

Question 235500: Factor completely
...not sure even how to go about doing this problem....
8x(5th power)y³-6x(4th power)y(5th power)+12x²y³

Click here to see answer by stanbon(25959)

Question 235494: i am so lost and i really need help. i have a test today in 4 hours, and its stressing me out!
Click here to see answer by solver91311(4818)

Question 235491: Factor completely the polynomial and indicate any that are not factorable using integers.
This is what I have come up with...but not sure I am doing this correctly
9x²+30x+16
9*16=144
9x²+6x+24x+16
3x(3x+2)+8(3x+2)
=(3x+8)(3x+2)
=9x²+6x+24x+16
=9x²+30x+16
Click here to see answer by solver91311(4818)

Question 235470: if 0, 2, -2, 3, and 4-i are zeros of a polynomial with real coefficents, what is the smallest possible degree of the polynomial?
Click here to see answer by stanbon(25959)

Question 235415: A jar of dimes and quarters contains $10.95. There were 93 coins in the jar. How many dimes were in the jar?
Click here to see answer by checkley77(6671)

Question 235352: One solution of -7x+k=0 is 4. Find the other solution
Click here to see answer by jim_thompson5910(13679)

Question 235218: how do you divide a x cubed by x squared?
Click here to see answer by rfer(2588)

Question 235040: a^2-5a+6/a-3 divided by (a-2)
Click here to see answer by JenniferTutors(42)

Question 235084: Find the area, A(x), of a triangle with height 6x (inches) and base 9x-1 (inches). Find A(50).
Click here to see answer by solver91311(4818)

Question 234939: Given 1/(1-x)=1+x+x^2+x^3+x^4+......,
calculate:1/(1-x)^2
Click here to see answer by Edwin McCravy(2878)

Question 234923: Hello.

I am having trouble solving the following polynomial inequality.

This is as far as I can go, because I can not factor it.

Thank you in advance.

Click here to see answer by chibisan(120)

Question 234811: How would you factor: 18W^4Z^2+24WX^2Z-60WX^3Z^8?
Click here to see answer by checkley77(6671)

Question 234654: I'm having trouble with simplifying (-4x^4)^3(x^2)
Thank you,
Kerri
Click here to see answer by user_dude2008(690)

Question 234702: x(x+3)
Click here to see answer by stanbon(25959)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 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