Question

Which product is equivalent to 25x2 – 16?

(5x − 4)(5x + 4)
(5x + 8)(5x − 8)
(5x − 4)(5x − 4)
(5x − 8)(5x − 8)​

Answer 1

Answer:

${25x}^{2} - 16$

${(5x)}^{2} - {(4)}^{2}$

$(5x + 4)(5x - 4)$

Ans. (5x + 4) (5x - 4)

Hope it helps.

Answer 2

$= {25x}^{2} - 16$

$={(5x)}^{2} - {(4)}^{2}$

$=(5x + 4)(5x - 4)$