Question

(5x + 2y )² + ( 5x -2y)² simplify using identity
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Answer 1

Answer:

50x^2+8y^2

Step-by-step explanation:

(5x + 2y )² + ( 5x -2y)²

[(5x)^2+2(5x)(2y)+(2y)^2]+[(5x)^2-2(5x)(2y)+(2y)^2]

25x^2+20xy+4y^2+25x^2-20xy+4y^2

50x^2+8y^2