# (2y-7)(2y+7)

$\left(2y-7\right)\left(2y+7\right)$
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Ronnie Schechter
Considering the question, we have:
$⇒\left(2y-7\right)\left(2y+7\right)=\left(2y\right)\left(2y\right)+\left(2y\right)\left(7\right)-\left(7\right)\left(2y\right)-\left(7\right)\left(7\right)$
$⇒\left(2y-7\right)\left(2y+7\right)=4{y}^{2}+14y-14y-49$
Answer $⇒\left(2y-7\right)\left(2y+7\right)=4{y}^{2}-49$
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peterpan7117i
Expand $\left(2y-7\right)\left(2y+7\right)$ using the FOIL Method
$2y\left(2y\right)+2y\cdot 7-7\left(2y\right)-7\cdot 7$
Simplify and combine like terms.
$4{y}^{2}-49$