Question

(2x-y-z)(y-z) express this as a difference of 2square of algebric expression

Answer 1

$\bold{Answer :}$

Now,

(2x - y - z) (y - z)

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

= 2xy - 2xz - (y² - z²)

= 2xy - 2xz - y² + z²

= x² - 2xz + z² - x² + 2xy - y²

= (x - z)² - (x - y)²,

which is the required form.

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