SOLUTION: solutions to the problem 16x^2-64=0

Question 342743: solutions to the problem 16x^2-64=0
Found 2 solutions by jim_thompson5910, stanbon:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given equation.

Notice that the quadratic is in the form of where , , and

Let's use the quadratic formula to solve for "x":

Start with the quadratic formula

Plug in , , and

Square to get .

Multiply to get

Rewrite as

Add to to get

Multiply and to get .

Take the square root of to get .

or Break up the expression.

or Combine like terms.

or Simplify.

So the solutions are or

If you need more help, email me at jim_thompson5910@hotmail.com

Also, feel free to check out my tutoring website

Jim
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
solutions to the problem
16x^2-64=0
---
Factor:
16(x^2-4) = 0
Factor:
(x-2)(x+2) = 0
x = 2 or x = -2
====================
Cheers,
Stan H.
====================
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