Question

(x+2y)²'-4(2x-y)² solve this question using a²-b²=(a+b)(a-b) formula​

Answer 1

(x+2y)²'-4(2x-y)²

(x+2y)²'-(8x+4y)²

(x+2y)(x+2y)

x^2+2xy+2xy+4y^2

x^2+4xy+4y^2

(8x+4y)(8x+4y)

64x^2+32xy+32xy+16y^2

64x^2+64xy+16y^2

x^2+4xy+4y^2-64x^2-64xy-16y^2

-63x^2-60xy-12y^2

Step-by-step explanation:

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Answer 2

Answer:

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