SOLUTION: I am trying to complete a test, I really need the help. Rewrite the middle term as the sum of two terms and then factor by grouping. x^2 + 2x – 3 I need a step by step to u

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I am trying to complete a test, I really need the help. Rewrite the middle term as the sum of two terms and then factor by grouping. x^2 + 2x – 3 I need a step by step to u      Log On


   



Question 84891This question is from textbook algebra
: I am trying to complete a test, I really need the help.
Rewrite the middle term as the sum of two terms and then factor by grouping. x^2 + 2x – 3
I need a step by step to understand this, mn=ac=
This question is from textbook algebra

Answer by dolly(163) About Me  (Show Source):
You can put this solution on YOUR website!

x^2 + 2x - 3
Need to find 2 numbers whose sum is 2 and product is -3
The numbers are 3 and -1.
Splitting the middle term,
= x^2 + 3x - x - 3
= x(x+3) -1(x+3)
= (x+3) (x-1)
Hope you follow.