Seudónimo Seudónimo

14-07-2016
Mathematics

contestada

4x^2-81y^2? Can you please show me the steps in factoring/simplifying this equation? Thank you so much. (Please make sure the steps and the answer and detailed and clear with any necessary formulas)

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apologiabiology apologiabiology

14-07-2016

difference of 2 perfect squares
a^2-b^2=(a+b)(a-b)

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

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