Question

using the identity find (5x+6y) (5x-6y)​

Answer 1

Answer:

$(5x + 6y)(5x - 6y) \\ using \: the \: identity \: (a + b)(a - b) = {a}^{2} - {b}^{2} \\ {(5x)}^{2} - {(6y)}^{2} \\ = 25 {x}^{2} - 36 {y}^{2}$

Step-by-step explanation:

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Answer 2

$(5x - 6y) ^{2} \\ using \: identity \\ (a + b) \: (a - b) \: = (a - b)^{2} \\ so \: (5x + 6y)(5x - 6y) = (5x - 6y) ^{2}$