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X² × 7x²- x² × 5x - x² × 5 + 9 × 7x² - 9×5x - 9×5

X² × 7x²- x² × 5x - x² × 5 + 9 × 7x² - 9×5x - 9×5-example-1
User Kaezarrex
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1 Answer

3 votes

You have to distribute it. To do this, multiply x^2 to (7x^2-5x-5) and do the same to 9 times (7x^2-5x-5). Add like variables. The attached image is your answer.

I hope this was able to help you :D

X² × 7x²- x² × 5x - x² × 5 + 9 × 7x² - 9×5x - 9×5-example-1
User Ross MacArthur
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