Question

The difference of five times the cube of x and two times the square of x is 18

Answer 1

x=3√2 or x=4

Explanation:

5*x^3-2*x^2=18

x^2(5x-2)=18

x^2=18 or 5x-2=18

x=√18 or 5x=20

x=√9*2 or x=4

x=3√2 or x=4