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Mathematics 6 Online
OpenStudy (anonymous):

what is the value of 3a^2 + 2a-1 when a= -1

OpenStudy (jhannybean):

\[3a^2+2a-1\] when a = -1, \[3(-1)^2+2(-1)-1\]\[=0\]

OpenStudy (jhannybean):

You just have to remember that \[(-1)^2 \]is different from\[-1^2\]

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