2x^2+23x-6=0

Simple and best practice solution for 2x^2+23x-6=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 2x^2+23x-6=0 equation:


Simplifying
2x2 + 23x + -6 = 0

Reorder the terms:
-6 + 23x + 2x2 = 0

Solving
-6 + 23x + 2x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
-3 + 11.5x + x2 = 0

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + 11.5x + 3 + x2 = 0 + 3

Reorder the terms:
-3 + 3 + 11.5x + x2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 11.5x + x2 = 0 + 3
11.5x + x2 = 0 + 3

Combine like terms: 0 + 3 = 3
11.5x + x2 = 3

The x term is 11.5x.  Take half its coefficient (5.75).
Square it (33.0625) and add it to both sides.

Add '33.0625' to each side of the equation.
11.5x + 33.0625 + x2 = 3 + 33.0625

Reorder the terms:
33.0625 + 11.5x + x2 = 3 + 33.0625

Combine like terms: 3 + 33.0625 = 36.0625
33.0625 + 11.5x + x2 = 36.0625

Factor a perfect square on the left side:
(x + 5.75)(x + 5.75) = 36.0625

Calculate the square root of the right side: 6.005206075

Break this problem into two subproblems by setting 
(x + 5.75) equal to 6.005206075 and -6.005206075.

Subproblem 1

x + 5.75 = 6.005206075 Simplifying x + 5.75 = 6.005206075 Reorder the terms: 5.75 + x = 6.005206075 Solving 5.75 + x = 6.005206075 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.75' to each side of the equation. 5.75 + -5.75 + x = 6.005206075 + -5.75 Combine like terms: 5.75 + -5.75 = 0.00 0.00 + x = 6.005206075 + -5.75 x = 6.005206075 + -5.75 Combine like terms: 6.005206075 + -5.75 = 0.255206075 x = 0.255206075 Simplifying x = 0.255206075

Subproblem 2

x + 5.75 = -6.005206075 Simplifying x + 5.75 = -6.005206075 Reorder the terms: 5.75 + x = -6.005206075 Solving 5.75 + x = -6.005206075 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.75' to each side of the equation. 5.75 + -5.75 + x = -6.005206075 + -5.75 Combine like terms: 5.75 + -5.75 = 0.00 0.00 + x = -6.005206075 + -5.75 x = -6.005206075 + -5.75 Combine like terms: -6.005206075 + -5.75 = -11.755206075 x = -11.755206075 Simplifying x = -11.755206075

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.255206075, -11.755206075}

See similar equations:

| 2x-4=-5x+2 | | 7x+6x+2+9=3x+5+9x | | 180=(x+96)+5x | | 13-6/5a=6 | | 5(4x+7)=-75 | | 1/2*4*3 | | 8x^2+2x=7x^2-2x+32 | | x+42=2x+1 | | 3+4=19 | | 10x-5=20-6 | | y=4w^2+450/x | | 8x-6=14-20 | | X^2-3x-60=0 | | 7/5+4/5=89/30+7/6x+5/6 | | x=24+4 | | -2(x+3)-2=-4(a-4) | | 3x-5x=6x+12 | | X=24y+4 | | 6(3x+3)=24 | | 1/2m+6=18 | | (8x-4)(9x+7)=0 | | 3/q=5/q+4 | | 1/12x^2-12=0 | | x^2-20+10x=180 | | 2x/6+14=x/4-7 | | 3/x+1=4/x-1 | | 4(x-6)=24 | | r=5d(60-t) | | r=1d(60-t) | | 6x-3(-4x-17)=-75 | | -24+p+8=4+3p | | -7x+6(6x-11)=195 |

Equations solver categories