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OpenStudy (anonymous):
Evaluate x2 –7, if x = -9.
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OpenStudy (anonymous):
@yummydum
OpenStudy (anonymous):
-18- -7 =
OpenStudy (anonymous):
11 :D
OpenStudy (anonymous):
just plug in \(-9\) for x in the equation \(x^2-7\):\[(-9)^2-7\]\[81-7\]\[=74\] is the equation x squared or twice x?
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