Question

(x-4)^2 expand .. plz help my out

Answer 1

$heya \\ \\ \\ (x - 4) {}^{2} = x {}^{2} + (4) {}^{2} - 2(x)(4) \\ \\ = x {}^{2} + 16 - 8x$

Answer 2

As this question related to,

=> (a-b)^2 = a^2 + b^2 -2ab

=> (x-4)^2 = (x)^2 + (4)^2 - 8x

=> (x-4)^2 = x^2 + 16 - 8x



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