✨ Best Answer ✨
(2x−2y−1)²−4(x−y)²
=(2(x−y)−1)²−4(x−y)²
=4(x−y)²−4(x−y)+1−4(x−y)²
=−4(x−y)+1
= −4x+4y+1
✨ Best Answer ✨
(2x−2y−1)²−4(x−y)²
=(2(x−y)−1)²−4(x−y)²
=4(x−y)²−4(x−y)+1−4(x−y)²
=−4(x−y)+1
= −4x+4y+1
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