SOLUTION: {{{ -2x^2+50=0 }}}

Question 214129:
Found 2 solutions by jim_thompson5910, drj:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given equation.

Notice we have a quadratic 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 answers are or
Answer by drj(1380) (Show Source): You can put this solution on YOUR website!

Step 1. Add to both sides of equation to isolate the x-terms on side and the numbers on the other side.

Step 2. Divide 2 to both sides of equation

Step 3. Take square root of both sides of equation

and

Step 4. The solutions to this equation are +5 and -5.

I hope the above steps were helpful.

For free Step-By-Step Videos on Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra or for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.

And good luck in your studies!

Respectfully,
Dr J

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