Question

Find the value of 3x³+5x²-4x+2, when x= -2​

Answer 1

Answer:

x=6

Step-by-step explanation:

=3(-2)³+5(-2)²-4(-2)+2

=3(-8)+5(4)-4(-2)+2

=-24+20+8+2

x=6

Answer 2

Answer:

putting the value of x as 2

We get,

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

= -24+20+8+2

= -24 + 30

=6