Question

How do you simplify `(U-6)^2`?

Answer 1

`U^2 - 12U + 36`

Explanation:

To simplify and get into quadratic form you cross multiple the term in parenthesis by itself:

`(U - 6)^2 -> (U - 6)(U - 6) ->`

`(U*U) - (6*U) - (6*U) + 36 ->`

`U^2 - 12U + 36`