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Evaluate the expression when x= -2.x2 + 5x+7
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Evaluate the expression when x= -2.x2 + 5x+7

User Jessica D
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You just replace -2 in th x position


\begin{gathered} x^2+5x+7 \\ (-2)^2+5(-2)+7 \\ 4-10+7 \\ =1 \end{gathered}

User Mefathy
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