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OpenStudy (anonymous):
Evaluate A 2-B 2 for A = 3 and B = -4.
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OpenStudy (anonymous):
is that A^2-B^2?
OpenStudy (anonymous):
we have : 3^2-(-4)^2=9-16=-5 Got it ?
OpenStudy (anonymous):
@sione its not -5 its -7 recheck ur math
OpenStudy (anonymous):
Yea ! It s -7 Sorry !
OpenStudy (anonymous):
yep just trying to help in any way
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