Question

Find the value of (x+4)(x-4) using Identity.​

Answer 1

Answer:

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

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

${x}^{2} = 16$

$x = 4$

Answer 2

Answer:

$(x + 4)(x - 4) = {x}^{2} - {4}^{2} \\ \\ = {x}^{2} - 16$