SOLUTION: please help explain how to do this problem: subtract ((((7x^3 -4x +5 from 10x^3 +15))))

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Question 52604: please help explain how to do this problem:
subtract ((((7x^3 -4x +5 from 10x^3 +15))))
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
10X^3+15
-7X^3-5+4X MULTIPLYING THIS EQUATION BY -1 SO WE CAN NOW ADD THEM
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3X^3+10+4X IS THE DIFFERENCE