# 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 417682: hi :) how do i solve.. 1. 2n^2+5n-42 2. 5x^2+35x+30 If you could help i would really appreciate it and thanks 4 your help! :) Click here to see answer by sudhanshu_kmr(1152)
 Question 417682: hi :) how do i solve.. 1. 2n^2+5n-42 2. 5x^2+35x+30 If you could help i would really appreciate it and thanks 4 your help! :) Click here to see answer by dnanos(83)

 Question 417748: What is (-3xy^2)^3? When I use the solver it can't reduce this expression. Thank you. Click here to see answer by sudhanshu_kmr(1152)

 Question 417879: Find the solution to the queation 2b^2 +9=0 Click here to see answer by MathLover1(6623)

 Question 417958: Solve the following system of equations by ELIMINATION. State the solution. 10x+5y=10 6x+3y=6 So far this is what I have: -3(10x+5y=10) 5( 6x+3y= 6) = -30x-15y=-30 30x+15y=30 And they all cancel out, so what do I put as my answer? Click here to see answer by algebrahouse.com(1079)

 Question 418034: simplify each expression. show any factoring and canceling. 10y - 30/ y^2 - 1 pleaase tell me if my work is correct. 10(y-30)/(y-1)(y+1) Click here to see answer by sudhanshu_kmr(1152)

 Question 418037: simplify each expression. show any factoring and canceling. (b + 4)^2/b^2 + 7b + 12 (b + 4)(b + 4)/ b*b + 7*b + 12 ok. please help me finish. im stuck now. Click here to see answer by ewatrrr(10682)

 Question 418167: solve each equation by completing the square p^2-5p= -4 Click here to see answer by ewatrrr(10682)

 Question 418164: Suzie’s flower shop estimates that supplies costs for one month will be given by the polynomial 2x^2 + 14x – 9. She estimates that utilities costs for one month is given by 12x – 3. Find and simplify an expression that would estimate Suzie’s total costs for one month. Click here to see answer by ewatrrr(10682)

 Question 418376: Simplify by removing the factors of 1 6m^2 + 6m over 42m^2 +36m Click here to see answer by rfer(12647)

 Question 418558: Multiply and express the product in simplest form: x^2-9/x+2 X x^2-4/x-3 Click here to see answer by ewatrrr(10682)

 Question 418559: Multiply and express the product in simplest form: x^2+5x+4/(x-3)^2 divided by x+1/x^2-9 Click here to see answer by Gogonati(809)

 Question 418624: i need help with this question, the 1 just threw me off and i went blank. help please. factor out completely 125x^3-1 Click here to see answer by mananth(12270)

 Question 418625: factor out the trinomial -24x^2 + 104x + 80 Click here to see answer by ewatrrr(10682)

 Question 418655: find all solutions by factoring 5x^2 - 10x = 15 Click here to see answer by nerdybill(6951)

 Question 418691: Factor out the GCF in the following polynomial Click here to see answer by ewatrrr(10682)

 Question 418673: Factor the greatest common factor of 20a^3b,8a^2b^2 and 36ab^3 can someone help me with this. Click here to see answer by sudhanshu_kmr(1152)

 Question 418737: For the polynomial function h(x) =2x^4 - x^3 +2x^2 -4x -3 Evaluate the following: h(3) Click here to see answer by ewatrrr(10682)