SOLUTION: simplify. please show all of your work. x^2-2x+5x-(-x^2+7x)

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Question 563926: simplify. please show all of your work. x^2-2x+5x-(-x^2+7x)
Answer by TutorDelphia(193) About Me  (Show Source):
You can put this solution on YOUR website!
x^2-2x+5x-(-x^2+7x)
Distribute the negative
x^2-2x+5x+x^2-7x
Combine like terms for x^2
2x^2-2x+5x-7x
Combine like terms for x
2x^2-4x