Question
Factorise:
$x^3-64$
$x^3-64$
✓
Answer
$x^3-64$
$=x\left(x^2-64\right)$
$=x(x)^2-(8)^2$
$=x(x+8)(x-8)$
$=x\left(x^2-64\right)$
$=x(x)^2-(8)^2$
$=x(x+8)(x-8)$
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