(2x+y)(2x-y)find the number
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=(2x)(2x)-(2x)(y)+(y)(2x)-(y)^2
=4x^2 - 2xy + 2xy - y^2 =4x^2 - y^2
Answered by
1
Answer:
4x² - y²
Step-by-step explanation:
Formula : (a+b) (a-b) = a² - b²
Here a = 2x, b = y
(2x+y) (2x-y) = (2x)² - (y)²
= 4x² - y²
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