Question

factor of (2x+5y)^2 -1​

Answer 1

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• Find out the factors of ${(2x + 5y)}^{2} - 1$

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${(2x + 5y)}^{2} - 1$

$= {(2x + 5y)}^{2} - {1}^{2}$

$= (2x + 5y + 1)( 2x + 5y - 1)$

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• Factors are $(2x+5y+1)$ and $(2x+5y-1)$.