find the product. (5x-6y)(5x+6y)

2 answers

(5x -6y) (5x+6y)
25x^2 + 30xy -30xy -36y^2
25x^2 - 30y^2
(a-b)(a+b) = a^2 - b^2.

(5x-6y)(5x+6y) = 25x^2-36y^2).
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