2x+1/2y × 2x-1/2y
Multiply
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Step-by-step explanation:
2x+1/2y × 2x-1/2y
(2x+1)(2x-1) / 2y × 2y
(4x²-2x+2x-1) / 4y²
(4x²-1) / 4y²
(x²-1) / y²
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