Question

find the value of the polynomial 2x square + 11 x minus 5 at x is equal to -1​

Answer 1

Question :-

Find the value of the polynomial 2x² + 11x - 5 at x = -1.

Solution :-

x = -1

Substituting value of x in the polynomial,

= 2(-1)² + 11(-1) - 5

= 2(1) - 11 - 5

= -14

∴ Value of polynomial is -14