Question

How do you factor `64-t^3`?

Answer 1

`=(4-t)(16+4t+t^2)`

Explanation:

`64-t^3`
`=4^3-t^3`
`=(4-t)(4^2+4t+t^2)`
`=(4-t)(16+4t+t^2)`

(using formula `a^3-b^3=(a-b)(a^2+ab+b^2)`