Find the value of f(x)=2x2+7x+3 at x=-2
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the answer is -4.........
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f(X)=2×2+7(-2)+3
f(X)=4+(-14)+3
f(x)=4-14+3
f(X)=7-14
f(X)=-7
f(X)=4+(-14)+3
f(x)=4-14+3
f(X)=7-14
f(X)=-7
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