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OpenStudy (anonymous):
Which of the numbers below are solutions for the equation (x + 7)(x - 8) = 0 ? Choose all of the correct answers below. -7 7 -8 8
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OpenStudy (anonymous):
-7 and 8
OpenStudy (anonymous):
How you know ?
OpenStudy (anonymous):
(x+7)(x-8)=0 x+7=0 ; x=-7 x-8=0 ; x = 8
OpenStudy (anonymous):
How you know ?
OpenStudy (anonymous):
ok .
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