Question

(5x+2y) whole square

Answer 1

Answer:

(5x+2y) ² [(a+b)²= a²+b²+2ab]

now (5x)²+(2y)²+2(5x) 2y

25x²+2y²+29xy

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Answer 2

Answer:

$(5x + 2y)^{2} \\ (a + b)^{2} = {a}^{2} + {b}^{2} + 2ab \\ {(5x)}^{2} + {(2y)}^{2} + 2(5x)(2y) \\ 25x ^{2} + 4y^{2} + 20xy \\ \\ \\ \\ hope \: this \: helps \: you \\ plz \: follow \: me$