Question

(x-y) (x+y)- (x-y) (x-y) simplify​

Answer 1

Answer:

here

Step-by-step explanation:

Let's simplify step-by-step.

(x−y)(x+y)−(x−y)(x−y)

Distribute:

=(x)(x)+(x)(y)+(−y)(x)+(−y)(y)+−x2+2xy+−y2

=x2+xy+−xy+−y2+−x2+2xy+−y2

Combine Like Terms:

=x2+xy+−xy+−y2+−x2+2xy+−y2

=(x2+−x2)+(xy+−xy+2xy)+(−y2+−y2)

=2xy+−2y2

Answer:

=2xy−2y2

Answer 2

(X - Y)(X + Y) - (X - Y)(X - Y)

X² - Y² - (X - Y)²

X² - Y² - X² - Y² + 2XY

2XY - 2Y²

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