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Naddika [18.5K]

3 years ago

7

(08.06)

1 answer:

Greeley [361]3 years ago

6 0

Answer:

(x-7)(x+7)

Step-by-step explanation:

x^2 -49

This is the difference of squares

x^2 -7^2

We know that a^2 -b^2 = (a-b)(a+b)

(x-7)(x+7)

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