Question

evaluate using identity (5x+6y)²​

Answer 1

Step-by-step explanation:

${(5x + 6y)}^{2} \\ = {(5x)}^{2} + 2 \times 5x \times 6y + {(6y)}^{2} \\ = 25 {x}^{2} + 60xy + 36 {y}^{2}$

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Answer 2

Step-by-step explanation:

(a+b)^2

a^2+b^2+2ab

(5x+6y)^2

(5x)^2+(6y)^2+2*5x*6y

25x^2+36y^2+60xy