SOLUTION: I don't really understand this please help me multiply this --> 3x(-x+5) I dont get this problem 3x^3(x^3+5) Multiply--> (-2x+1)(x+5) Factor: y^2+8y

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I don't really understand this please help me multiply this --> 3x(-x+5) I dont get this problem 3x^3(x^3+5) Multiply--> (-2x+1)(x+5) Factor: y^2+8y      Log On


   

Question 142147: I don't really understand this please help me multiply this --> 3x(-x+5)
I dont get this problem 3x^3(x^3+5)
Multiply--> (-2x+1)(x+5)
Factor: y^2+8y
Answer by nabla(475) About Me  (Show Source):
You can put this solution on YOUR website!
1.3x%28-x%2B5%29=3x%28-x%29%2B3x%285%29=-3x%5E2%2B15x
2.3x%5E3%28x%5E3%2B5%29=3x%5E3%28x%5E3%29%2B3x%5E3%285%29=3x%5E6%2B15x%5E3
3.
4.y%5E2%2B8y=y%28y%2B8%29
I have broken down the steps so you can see everything I did. If you have difficulty further, or would like me to explain something in detail, send me an E-mail at enabla@gmail.com .