Question

If 2x=3y-5,then find the value of 8x^3-27y^3-90xy+125pls tell me fast....it's very important

Answer 1

Answer:

-360xy

Step-by-step explanation:

According to question

3y= 2x +5

Put it in equation

8x^3 -(2x+5)^3-90x(2x+5)+125

=>8x^3-8x^3-125-60x^2-150x-180x^2-450x +125

=>-240x^2 -600x.

=> -120x( 2x + 5)

=> -120x * 3y

=> -360xy