Question

The factors of x² + 4y² + 4–4xy+8y–4x *​

Answer 1

Answer:

$( - x + 2y + 2) {}^{2}$

Step-by-step explanation:

Given,

$x {}^{2} + 4y {}^{2} + 4 - 4xy + 8y - 4x \\ by \: using \: formula \\ x {}^{2} + {}^{2} + z {}^{2} - 2xy + 2yz - 2xz = ( - x + y + z) {}^{2} \\ therefore = ( - x + 2y + 2) {}^{2}$

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