Question

solve ( 2a + 7 ) ( 2a - 7 )​

Answer 1

Step-by-step explanation:

$2a(2a - 7) + 7(2a - 7)$

${4a}^{2} - 14a + 14a - 49$

${4a}^{2} - 49$

-hope it helps you

Answer 2

$\large{\frak{\red{Answer}}}$

$\bf{\text{\purple{(2a+7)(2a−7)}}}$

$\bf{\text{\purple{2(2−7)+7(2−7)}}}$

${\bf{\text{\purple{4²−14}}}}+7(2−7)$

$4a²−14+{\bf{\text{\purple{14−49}}}}$

$4²{\bf{\text{\purple{−49}}}}$

$\bf{\pmb{\mathbb{\fbox{\red{Hope it's help you}}}}}$