How do I simplify this in terms of x?

Simplify in terms of x

((root3(x+1)-7)+7)^3-1((3x+17)+7)31

1 Answer
Mar 12, 2018

xx

Explanation:

First cube every term in the big bracket (cubing cancels out the cube root):
(x + 1 - 7^3 + 7^3) - 1(x+173+73)1
The 7^373 is cancelled out to give
x + 1 - 1 = xx+11=x