Solve x³ = 125
Polynomial equation, worked out line by line the way a teacher would write it.
Answer
| Solution | x = 5 |
Step-by-step solution
3 steps-
1 Givenx^{3} = 125
Solve for x.
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2 Take the cube root of both sidesx = 5
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3 Check\begin{aligned}x = 5:\quad 125 = 125\quad\checkmark\end{aligned}
Substituting each solution back makes both sides equal.
Check by substitution
| x | Left side | Right side | |
|---|---|---|---|
| 5 | 125 | 125 | ✓ |
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