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Hi I need help with this question please thank you!

Hi I need help with this question please thank you!
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Hi I need help with this question please thank you!

Hi I need help with this question please thank you!-example-1
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User Pwilcox
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1 Answer

3 votes

Given:

a² - b² = (a + b)(a - b). Then;

a² - 81 = (a + 9)(a - 9).

A Difference of Squares

answered
User Behnam Rasooli
by
7.5k points
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