SOLUTION: x^2-3x-28=0 work x^2 - 3x = 28 x^2

SOLUTION: x^2-3x-28=0 work x^2 - 3x = 28 x^2 - x = 28/3

Question 613860: x^2-3x-28=0
work
x^2 - 3x = 28
x^2 - x = 28/3
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

Negate to get .

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, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you

Jim
--------------------------------------------------------------------------------------------------------------
RELATED QUESTIONS
X^2+3x-28=0 (answered by solver91311)

x^2-3x-28=0 (answered by ben720)

x^2-3x-28 (answered by checkley77)

x^2-3x=28 (answered by nerdybill)

x^4+3x^2-28=0 (answered by KMST)

factor x^2 + 3x -... (answered by macston)

3x*(x^2+3x-28)/(x^4-3x^3+7x^2+11x-56)=0 (answered by stanbon)

Solve for X: X^2 + 3X - 28 = 0 (answered by Alan3354,ikleyn,mbessearch)

4. x^2 + 3x = 28 5.2x^2 + 9x - 5 = 0 (answered by stanbon)