Question

${2x}^{3} - {11x}^{2} + 17x - 6$
$if \: x = 2$

Answer 1

2x (2)³ - 11x (2)² +17x2-6
= 2x8 - 11x4 + 34 - 6
= 16-44+28
= 0

Hope it helps you !!!

Answer 2

$\bold{\huge{\purple{}\underline{ \mathcal{ \star \: hello \: dude \: \star}}}}$

$2 {x}^{3} - 11 {x}^{2} + 17x - 6 \\ \\ on \: putting \: x = 2 \\ \\ = 2(2) {}^{3} - 11(2) {}^{2} + 17(2) - 6 \\ = 2(8) - 11(4) + 17(2) - 6 \\ = 16 - 44 + 34 - 6 \\ = 50 - 50 \\ = 0$