Question

evaluate the following using suitable identities (2a+7b)(2a-7b)

Answer 1

$\huge\bold{\mathtt{\purple{A{\pink{ N{\green{S{\blue{W{\red{E{\orange{R }}}}}}}}}}}}}$...

-56ab

Step-by-step explanation:

100% correct answer

Hope it's helpful ✌️✌️

$\huge\color{red}\boxed{\colorbox{black}{please\:mark\:me\: brilliance}}$

$\huge\underline\purple{\underline {Follow\:Me}}$

Answer 2

Answer:

4a^2-49b^2

Step-by-step explanation:

(a+b)(a-b)

=a^2-b^2

(2a+7b)(2a-7b)

=(2a)^2 - (7b)^2

=4a^2-49b^2