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Evaluate the expression when y= -4.y²-7y+2

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Put y = -4 into the expression below:


y^2-7y+2

Hence,


\begin{gathered} y^2-7y+2=(-4)^2-7(-4)+2 \\ =16+28+2 \\ =46 \end{gathered}

Therefore, the value of the expression when y = -4 is 46

User Jake Johnson
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