Question

Use the Quadratic Formula to solve the equation.

8x2 = 20x + 45

Answer 1

First, can you put this equation into "standard form", where all the terms are on the left side and the right side is 0 ?

Answer 2

yes by bringing the left side to the right side

Answer 3

yes, but write down what you get.

this explains how to do the problem
http://www.khanacademy.org/math/trigonometry/polynomial_and_rational/quad_formula_tutorial/v/using-the-quadratic-formula

Answer 4

Kan academy is the best as @phi told