SOLUTION: I have to use the factoring method, solve for the roots this quadric equation and have to place the equation in standard form before factoring... Can you please help me? I don't ge

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: I have to use the factoring method, solve for the roots this quadric equation and have to place the equation in standard form before factoring... Can you please help me? I don't ge      Log On


   

Question 146364This question is from textbook Beginning Algebra
: I have to use the factoring method, solve for the roots this quadric equation and have to place the equation in standard form before factoring... Can you please help me? I don't get it at all. Thank you...:)
Page575
Number 14
x^2 + 3x - 40 = 0 This question is from textbook Beginning Algebra

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
you need to find factors of -40 that can "combine" to give 3

like 8 and -5 __ 8-5=3

(x+8)(x-5)=0

x+8=0 __ x=-8

x-5=0 __ x=5