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OpenStudy (anonymous):
if a=5, b=-4, c=-3, find the value of c^2+2ab Why answer is 31?
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OpenStudy (anonymous):
plug in the number then follow PEMDAS rule
OpenStudy (anonymous):
a=5, b=-4, c=-3 \(c^2+2ab\\=(-3)^2+2(5)(-4)\) like josh mentioned, just plug in all the values for the variables and follow the PEMDAS rule. BUT it looks like I got a -31 not 31
OpenStudy (anonymous):
Got it! Thank you
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