Question

Find the value of xcube +2xsquare-5x=1 at x=2

Answer 1

Answer:

xcube = 2 cube = 8

Step-by-step explanation:

This is how u do it

The answer is already given that X = 2

Answer 2

Step-by-step explanation:

x^3 + 2x^2 - 5x = 1

x^3 + 2x^2 - 5x -1 = 0

When x = 2,

(2)^3 + (2)(2)^2  - 5(2) - 1

= 8 + 8 - 10 -1

= 5

Hope this helps.

MARK AS BRAINLIEST.