Question

Expand using suitable identity (-4x + 2y - 2)^2

Answer 1

Answer:

according to question :-

(-4x+2y-2)^2

(-4x)^2 + (2y)^2 + (-2)^2- 2(4x*2y)-2(2y*2)-2(2*4x)

16x^2 + 4y^2 -4 -2(8xy) -2(4y) -2(8x)

16x^2+4y^2-4-16xy-8y-16x

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