SOLUTION: 7x^2-2=0 using quadratic formula. I am confused because there is no b

Question 336283: 7x^2-2=0 using quadratic formula. I am confused because there is no b
Found 2 solutions by kshlak, jim_thompson5910:
Answer by kshlak(4) (Show Source): You can put this solution on YOUR website!
b=0
7x^2 + 0x -2 =0
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
can be written as .

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 .

Simplify the square root (note: If you need help with simplifying square roots, check out this solver)

or Break up the expression.

or Reduce and 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 website.

Jim
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