Solve x³ = 27

Polynomial equation, worked out line by line the way a teacher would write it.

Answer

Solution	x = 3

Step-by-step solution

3 steps

1 Given

x^{3} = 27

Solve for x.
2 Take the cube root of both sides

x = 3
3 Check

\begin{aligned}x = 3:\quad 27 = 27\quad\checkmark\end{aligned}

Substituting each solution back makes both sides equal.

Check by substitution

x	Left side	Right side
3	27	27	✓

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