Question

Simplify (x+7)²-(x-7)²​

Answer 1

Step-by-step explanation:

${(x + 7)}^{2} - {(x - 7)}^{2}$

$= (x + 7 + x - 7)(x + 7 - x + 7)$

$= 2x \times (14)$

$= 28x$

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Answer 2

Answer:

X+49-x+49

-2x =49+49

-2x = 98

X= 98/2

X= 49