Question

find the value of
$4x {}^{3} - 5x {}^{2} - 6x + 7 \: when \: x \: equals \: to \: 3$

Answer 1

x=3 given


4x^3-5x^2-6x+7

4(3)^3-5(3)^2-6(3)+7

108-45-25


=38

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