Evaluate -2x^3-3x^2+4 for x=-2

asked Apr 5, 2022 162k views

1 vote

3.7k points

Please log in or register to add a comment.

2 votes

Answer: 8

Explanation:

1. Rewrite the equation:

-2x^3 - 3x^2 + 4 x = -2

2. Plug in the value of x, -2

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

3. Use order of operations (PEMDAS):

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

= 16 - 12 + 4

= 8

Graeme G answered Apr 11, 2022

4.4k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.4m questions

5.6m answers