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

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Question 1925: z(5z-1)=3z(z+3) solve by suitable methods without decimals
Click here to see answer by longjonsilver(2297)

Question 1927: OK, I am so not worthy of your math wisdom :) (thank you for helping).
There are still a few I am lost on....I hope you have the time. :)
I am supposed to solve the equation and check for extraneous solutions:
(w-3)^1/2=(4w+15)^1/2
AND(x^2-5x+2)^1/2=x
OR
5/(y-3)=1+[(y+7)/(2y-6)]
Jon, you are helping me so much, I really do appreciate it cuz I am so lost on this stuff. Tutoring like this is my last hope. :)
Click here to see answer by longjonsilver(2297)

Question 1940: x-1/x^2-x-12 + x+4/x^2+5x+6
This is how I started...am I going in the right direction and where do I go from here?
x-1/(x-4)(x-3) + x+4/(x+3)(x+2)

Click here to see answer by longjonsilver(2297)

Question 1945: Solve and reduce to lowest terms.
3/x^2+x - 4/5x+5

Click here to see answer by longjonsilver(2297)

Question 1944: Find each quotient: The problem below is a fraction with 3 sets of numbers on top and three on bottom.
6a^5b^7c^6/-3a^3b^9c^6
Click here to see answer by longjonsilver(2297)

Question 1928: no thats the problem
find the product (directions)

3acubed(2a-7)
Click here to see answer by longjonsilver(2297)

Question 1976: Factor the polynomial completely ax – ay + bx - by
Solve 2x2 + 5x – 12 = 0

Click here to see answer by longjonsilver(2297)

Question 2009: how do you simplify polynomials
Click here to see answer by longjonsilver(2297)

Question 2046: Please help
Find the greatest common factor (GCF)
12a^2b, 18ab^2, 24a^3b^3
----------------------------------------
Factor the polynomial completely
ax – ay + bx - by
----------------------------------------
Solve
2x^2 + 5x – 12 = 0

Click here to see answer by Jessmh123(22)

Question 2139: Can this be factored and what are the factors?
__3
X - 1 (thats X cubed minus 1)
Thanks
david r.

Click here to see answer by sehar(13)

Question 2139: Can this be factored and what are the factors?
__3
X - 1 (thats X cubed minus 1)
Thanks
david r.

Click here to see answer by longjonsilver(2297)

Question 2098: when multiplying two polynomials, what fundamental property do you use repeatedly? Also, why is it necessary to study the order of operations and the laws of operations before you begin to solve equations?
Thank you!
Click here to see answer by longjonsilver(2297)

Question 2181: x^3+(1/x^3)

Click here to see answer by longjonsilver(2297)

Question 2181: x^3+(1/x^3)

Click here to see answer by matthew_sessoms(39)

Question 2135: What is the complete factorization of 8xcubed - 27?
Click here to see answer by matthew_sessoms(39)

Question 2119: factor each polynomial completely
8vw^2+32vw+32v
Click here to see answer by matthew_sessoms(39)

Question 2231: (2x-5)(-4x)
Click here to see answer by longjonsilver(2297)

Question 2201: 1. 9(x-5)-x(x-5)=
2. ax+ay+2bx+2by=
3. ma+mb+na+nb=
Can you solve and tell me how to do these three problems on factoring?
Click here to see answer by Alex(3)

Question 2201: 1. 9(x-5)-x(x-5)=
2. ax+ay+2bx+2by=
3. ma+mb+na+nb=
Can you solve and tell me how to do these three problems on factoring?
Click here to see answer by gsmani_iyer(161)

Question 2239: How do you solve polynomial equations such as:
(x-3)(x-squaured+3x-4)=0
(x+2)(x-squared+5x+1)=0
Click here to see answer by matthew_sessoms(39)

Question 2260: I dont know how to factor out polynomials i dont know how it works could you please show me how.. Thanks
Click here to see answer by longjonsilver(2297)

Question 2304: How do you go about the process of multiplying polynomials by monomials for example.
2(n-3)+n(2-n)=2-nsquared
Click here to see answer by longjonsilver(2297)

Question 2357: whats the answer to x3+x4+x7

Click here to see answer by longjonsilver(2297)

Question 2429: what are these:
3-9(4+x)+x
8x+4(x-3)+2(x-5)
Click here to see answer by jojo2009002ojoj(2)

Question 2461: All the #'s after the variable are the exponents.

Solve:
x^4 + 2x^3 + x^2 + 8x - 12 = 0
Click here to see answer by khwang(438)

Question 2476: factor completely
-4w^2+7w-3
Click here to see answer by gsmani_iyer(161)

Question 2567: how do you use zero product property to solve an equation like: (x-3)(x-2)=0?
Click here to see answer by kiru_khandelwal(79)

Question 2567: how do you use zero product property to solve an equation like: (x-3)(x-2)=0?
Click here to see answer by longjonsilver(2297)

Question 2587: do u add the exponents? solve.
a^2+ b^2
+2a^2-4b^2
----------
???
thanks!!!
Click here to see answer by longjonsilver(2297)

Question 2587: do u add the exponents? solve.
a^2+ b^2
+2a^2-4b^2
----------
???
thanks!!!
Click here to see answer by kiru_khandelwal(79)

Question 2658: solve equation
x-3/5=x-3/x
Click here to see answer by kiru_khandelwal(79)

Question 2656: solve ea. proportion
m-1/m-2=m-3/m+4
Click here to see answer by kiru_khandelwal(79)

Question 2655: solving quadratic equations by factoring:
(x+5)(x+4)=0
2h^2-h-3=0
Click here to see answer by kiru_khandelwal(79)

Question 2646: Factor completely: 36(x^4)y + 12(x^3)y^2 - 15(x^2)(y^3)
Thank you
D. Scarfone
Click here to see answer by kiru_khandelwal(79)

Question 2628: How do you factor this expression 4x^2+12x+9?
Click here to see answer by kiru_khandelwal(79)

Question 2618: Multiply 2x^3(6x^2-9x+7)=
Click here to see answer by kiru_khandelwal(79)

Question 2652: Please help me understand proper order of answer. (NOt sure how to do "squared" on computer, so wrote as "^2". ?????
Example: I know that the answer to 3x(x^2-4+3x) is 3x^3+ 9x^2 + 12x and is written in descending order of x power.
But what about 5m + 4 + 2x + 4mx + 7mx. Why is answer order 5m + 11mx +2x + 4
instead of putting the mx first?

Click here to see answer by longjonsilver(2297)

Question 2680: 3/4X - 2/X^2
Click here to see answer by longjonsilver(2297)

Question 2769: factor 125x^3 - y^3
Click here to see answer by gsmani_iyer(161)

Question 2774: i'am a10TH std school girl, i'am not able to solve this particular sum in linear equations in the cross multiplication method.
sum:
2(ax-by)+a+4b=0
2(bx+ay)+b-4a=0
Click here to see answer by longjonsilver(2297)

Question 2759: (2/x) / (3x/4)= x/8
How do you solve this problem?
Click here to see answer by sujatha.krishna(11)

Question 2806: what is a pollynomial? and also, how do you factor problems such as:
2xsquared-7x-4
Click here to see answer by kiru_khandelwal(79)

Question 2786: Can you please explain to me how to factor in Algebra?
Click here to see answer by WannabeCAgirl83(35)

Question 2798: Please Factor the following 4 problems

21X^4 + 18X^2 + 36X^3
3T^2 - 5T - 2T^4
-3A^10 + 9A^5 - 6A^15
9M^3 - 7M^4 + 8M^2

Thank You for your help
Click here to see answer by WannabeCAgirl83(35)

Question 2851: If someone could help me factor the problem (I don't know how to write it on a computer so I am just going to write it out long hand. Bear with me here)
A squared minus B squared minus 6B minus 9
I have tried everything and can't seem to find the answer, which is (A-B-3) (A+B+3)
It has to be something totally stupid, but I cant figure it out for the life of me.
If someone could step by step it for me I would appreciate it.
Click here to see answer by khwang(438)

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, 14671..14715, 14716..14760, 14761..14805, 14806..14850