Question

8x3 - 6x2+2 at x = 1

Answer 1

$8 {x}^{3} - 6 {x}^{2} + 2 \\ \\ \textcolor{red}{given \: that \: x \: = 1}\\ \\ \\ puttng \: \: the \: \: value \: \: of \: \: x \\ \\ \\ => \fcolorbox{pink}{aqua}{8(1) - 6(1) + 2}$

1³ = 1
1² = 1
=> 8 - 6 + 2

=> 4

Answer 2

$P(x) = 8x^3 - 6x^2 + 2 \\ \\ P(1) = 8(1^3) - 6(1^2) + 2 \\ = 8 * 1 - 6 * 1 + 2 \\ = 8 - 6 + 2 = 4$

4 is the answer.

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