SOLUTION: Simplify 7x^2+12x-x^2-40x

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Question 885256: Simplify 7x^2+12x-x^2-40x
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
7x^2+12x-x^2-40x

7x^2-x^2+12x-40x

(7x^2-x^2)+(12x-40x)

(6x^2)+(-28x)

6x^2-28x



So the expression simplifies to 6x^2-28x