Question

Factorize [2x-y-z]²
$(2x - y - z {)}^{2}$
​

Answer 1

Answer:

(2x-y-z)².

By using formula (a-b-c)²=a²+b²+c²-2ab+2bc-2ca where a=2x, b=y & c=z.

(2x-y-z)²=(2x)²+(y)²+(z)²-2(2x)(y)+2(y)(z)-2(z)(2x).

=4x²+y²+z²-4xy+2yz-4zx.

I think this is your answer.