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
Related Maths GCSE answers
All answers ▸Solve the simultaneous equations 5x + y = 21, x - 3y = 9
For what values of x is 2x^2 - 11x - 6 > 0 ?
1) 3x + y = 11 2) 2x + y = 8
A bag contains beads, 60% of which are green. A student claims that the probability of getting two green beads if the beads aren't replaced is 1/3 as 6/10 * 5/9 is 1/3. Is the student right?