Math, asked by qjebqkcy8015, 10 months ago

How do you factor #81x^2 - 36y^2?

Answers

Answered by kiki9876
0

81x^2-36y^2

=(9x)^2-(6y)^2

=(9x-6y)(9x+6y)

(a-b)(a+b)=a^2-b^2

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