Question

Evaluate the expression for the given value. 2x^2+3x−12, when x=5

Answer 1

$\sf 2x²+3x-12$

$\sf x=5$

Substituting value of x in given equation,

$\sf 2(5)²+3(5)-12$

$\sf 2(25)+15-12$

$\sf 50+15-12$

$\sf 65-12$

$\sf 53$

$\sf\red{ 2x²+3x-12=53}$