Solve x^3 - 25 = 103 - x^3

First, bring -25 to the other side: +25 which gives

x3 = 128 - x3

Now, same with - x3 ( + x3 for both sides), giving

2x3 = 128

128 / 2 gives the value of 64 for x3

In order to find the value for x, now 3√ 64

Therefore, x = 4

FF
Answered by Franziska F. Maths tutor

3151 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

how to solve a quadratic inequality


What is completing the square?


solve the simultaneous equations: 3x + 5y = 4 ; 7x - 3y = 8


The cost of a ticket increases by 10% to £19.25. What is the original cost?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning