Question

Find the value of 3x3 + 2 x 2 + 11 )
if, x = − 1.

Answer 1

Answer:

x=25 3×3=9 2×2=4 +11=24-25=-1

Answer 2

$\rm{3x^3 + 2x^2 + 11}$

• Substitute The Value of x Into The Equation

$\to\rm{3(-1)^3 + 2(-1)^2 + 11}$

• Simplify

$\to\rm{3(-1) + 2(1) + 11}$

$\to\rm{-3 + 2 + 11}$

$\underline{\underline{\to\rm{10}}}$

Note : Bracket Represents Multiplication