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  • 19-02-2019
  • Mathematics
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(X+7)(X-7) what is the answer

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Аноним Аноним
  • 19-02-2019

Answer:

X^2 - 49 .

Step-by-step explanation:

(X+7)(X-7)

= X(X-7) + 7(X-7)

= X^2 - 7X + 7X - 49

= X^2 - 49 .

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