Evaluate the following polynomial at: $y = - 1$
$- 3 y^{2} - 2 y^{3}$

Answer

Answer

Expert–verified

Hide Steps

Answer

Final Answer: The value of the polynomial $- 3 y^{2} - 2 y^{3}$ at $y = - 1$ is $- 1$ .

Steps

Step 1 ：The question is asking to evaluate the polynomial $- 3 y^{2} - 2 y^{3}$ at $y = - 1$ .

Step 2 ：Substitute $y = - 1$ into the polynomial: $- 3 (- 1)^{2} - 2 (- 1)^{3}$

Step 3 ：Simplify the expression to get the result: $- 3 (1) - 2 (- 1)$

Step 4 ：After simplifying, we get the result as -1.

Step 5 ：Final Answer: The value of the polynomial $- 3 y^{2} - 2 y^{3}$ at $y = - 1$ is $- 1$ .