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OpenStudy (anonymous):
(-3)^2-2(6^2-9) help
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OpenStudy (anonymous):
-45
OpenStudy (anonymous):
thats right it is -45
OpenStudy (anonymous):
but how did u get that>/
OpenStudy (anonymous):
-3^2 = 9 6^2= 36 9-2(36-9) 9-2(27) 9-54= 45
OpenStudy (anonymous):
thank you
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