Question

what is the value of 5 x minus 4 x square + 3 at x is equal to 1 upon 2
plzz answer it correctly...​

Answer 1

Step-by-step explanation:

substituting, $x=\frac{1}{2}$ in the equation ($5x-4x^{2} +3$), we get -

$5x-4x^{2} +3\\\\5(\frac{1}{2} )-4(\frac{1}{2} )^{2} +3\\\\5(\frac{1}{2} )-4(\frac{2}{4} )+3\\\\2.5-2+3\\\\3.5$

∴ $5x-4x^{2} +3=3.5$

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