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OpenStudy (anonymous):
(x + 7)(x − 7) solve
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OpenStudy (diyadiya):
\[\large (a+b)(a-b)= a^2-b^2\] can you use this identity ?
OpenStudy (anonymous):
i just need the answer
OpenStudy (radar):
There is no equation, therefore no solution. If you are asking to perform the indicated operation Diyadiya did it.
OpenStudy (radar):
a=x, b=7 just plug it in Diyadiya's expression.
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