Question

(x+4)×(x-4)=
$find$
​

Answer 1

Answer:

$\sf{→(x + 4) \times (x - 4)} \\ \\ \sf{→ x \times (x - 4) + 4 \times (x - 4) }\\ \\ \sf{→ {x}^{2} \cancel{ - 4x} + \cancel{4x} - 16 }\\ \\{ \blue{ \boxed{ \sf{ answer \: → {x}^{2} - 16}}}}$

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