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Let f(x)=x^2+4x+3 for what values of x will satisfy the equation f(x)=8

Let f(x)=x^2+4x+3 for what values of x will satisfy the equation f(x)=8
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Let f(x)=x^2+4x+3 for what values of x will satisfy the equation f(x)=8

User EdSF
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Answer: {-1, 1}
Explanation: If you plug in either 1 or -1 into the equation, it will satisfy the equation f(x) = 8.
User Andrii Kalytiiuk
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