How to distribute this problem:
(x-8)^2 + 16

We conclude that:

Step-by-step explanation:

Given the equation

First, solve (x - 8)²

Apply Perfect Square formula:    (a - b)² = a² - 2ab + b²

so the expression becomes

                                Add the numbers: 64+16=80

Therefore, we conclude that:

3x^3-x^2+6x-9

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.