Question

Find the value of the polynomial y^3 - 5y^2 - 6y + 9 at y = −1

Answer 1

Answer:

the value of the polynomial y^3 - 5y^2 - 6y + 9 at y = −1 is

=(-1)³-5(-1)²-6(-1)+9

=-1-5+6+9

=-6+6+9

=9

Answer 2

Answer:

at y= -1

y^3-5y^2 -6y +9

= (-1) ^3-5(-1) ^2-6(-1) +9

= -1-5+6+9

= 9