Asked by Anonymous,

simplify: (7 x^3 - 2 x^2 + 3)+ (x^2 -x - 5) i got 7x3 - 2x2 - x- 2. if not correct keep it simple please thank u
Answered by Damon
- 2 x^2 + x^2 = - x^2, not -2x^2
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