X^2-8x+16=5 what are the solutions?

Hey!

The first step to solving this equation would be to subtract 5 from both sides of the equation.

Original Equation :
- 8x + 16 = 5

New Equation {Added Subtract 5 to Both Sides} :
- 8x + 16 - 5 = 5 - 5

Now we solve our new equation.

Old Equation :
- 8x + 16 - 5 = 5 - 5

Solution {Old Equation Solved} :
- 8x + 11 = 0

The next step would be to solve with the quadratic formula.

Quadratic Equation ( 1 ) :


Quadratic Equation ( 1 ) {Solved} :
4 + 

Quadratic Equation ( 2 ) :


Quadratic Equation ( 2 ) {Solved} :
4 - 

So, our final solutions for the equation  - 8x + 16 = 5 are...

x = 4 + 

and 

x = 4 - 

Hope this helps!

- Lindsey Frazier ♥