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

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 Algebra: Polynomials, rational expressions and equations Solvers Lessons Answers archive Quiz In Depth

 Question 151951: Hi, I need help how would solve the following 6 = -2x/4 Thank you for your help. Craid Click here to see answer by checkley77(12569)

 Question 151958: simplify: (2x^3 + 3x^2 + 2x +2) + (x + 1) Click here to see answer by orca(409)

 Question 152027: factor by grouping: 5x^3 - 10x^2 - 25x^2 + 50x Click here to see answer by nerdybill(6963)

 Question 152026: factor by grouping: 9x^3 - 54x^2 - 18x^2 + 108x Click here to see answer by vleith(2825)

 Question 152025: factor by grouping: 4x^2 + 28x + 24x - 168 Click here to see answer by checkley77(12569)

 Question 152022: factor/simplify: 12y^5z^4 + 9yz^3 I am really stuck on factoring. Help is really appreciated. Thank you! Click here to see answer by checkley77(12569)

 Question 152051: Hi! I am not sure if I got my answer right. The problem is Transforming Equations: -5+y=8 The answer I got for this was y=3; Basically what I did to solve this was, y+-5-5=8-5. I got three out of that. Help me; Thank You=) Click here to see answer by vleith(2825)

 Question 152059: I am having difficult time with this. It is Transforming equations. I also have to cheack it. 3x+2/2=7 Please and Thank You=) Click here to see answer by jojo14344(1512)

 Question 152146: show that 3x-2 is a factor of 3x^2+x^2-20x+12. thank you. Click here to see answer by nabla(475)

 Question 152153: Solve for the variable I always get these mixed up do you have a fool proof method? h=[S-(2)(pi)(r^2)]/2(pi)(r)] solve for S I didn't have a symbol for pi available h(2(pi)(r) = S-2(pi)(r^2) h2(pi)r+2(pi)r^2 = S is this right? Click here to see answer by vleith(2825)

 Question 152145: Without actual division prove that is exactly divisible by . How can we prove that without actual division? I tried to understand but it's too tough for me. Thanks Click here to see answer by Edwin McCravy(8921)

 Question 152241: Could someone show me how to factor this completely? If it is even possible to do so. Click here to see answer by oscargut(891)

 Question 152242: I need a little help with this, could you show me how to multiply this expression? Click here to see answer by oscargut(891)

 Question 152263: How do you simplify a rational problem like this: 2x^2+6x+4/4x^2-12x-16, whats the answer for this problem? Click here to see answer by jim_thompson5910(28598)

 Question 152275: i dont understand how to factor equations when the exponent is a fraction. help please! Click here to see answer by nerdybill(6963)

 Question 152288: Factor: x^2 + x^3 + 3x + 3 thank you! Click here to see answer by oscargut(891)

 Question 152131: simplify: (2x^3+3x^2+2x+2)+(x+1) I have 4 choices for answer, but my work never gets close to any of them: a) 2x^2+3x+1 r2 b) 2x^2+3x+1 c) 2x^2+x+1 d) 2x^2+x+1 r1 I really need to see clear instructions on how to compute this type of problem. Thank you very much Click here to see answer by oscargut(891)