x^2+5*x+12=0

Simple and best practice solution for x^2+5*x+12=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 x^2+5*x+12=0 equation:


Simplifying
x2 + 5x + 12 = 0

Reorder the terms:
12 + 5x + x2 = 0

Solving
12 + 5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-12' to each side of the equation.
12 + 5x + -12 + x2 = 0 + -12

Reorder the terms:
12 + -12 + 5x + x2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 5x + x2 = 0 + -12
5x + x2 = 0 + -12

Combine like terms: 0 + -12 = -12
5x + x2 = -12

The x term is 5x.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5x + 6.25 + x2 = -12 + 6.25

Reorder the terms:
6.25 + 5x + x2 = -12 + 6.25

Combine like terms: -12 + 6.25 = -5.75
6.25 + 5x + x2 = -5.75

Factor a perfect square on the left side:
(x + 2.5)(x + 2.5) = -5.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2x+1=360 | | -24x^3+6x^2+30x=0 | | 2x^2+36/3=-6x | | 1.8/1.9=b/3.8 | | y=-.60(55)+129 | | y=-.60(45)+129 | | y=-.60(35)+129 | | y=-.60(25)+129 | | 2.5x=5.5 | | 24+27=25x+35 | | 4.11x^2-9.22x+4.11=0 | | 3xy+5-xy-3= | | 8/2.5=6/0.5 | | 7u^2-32u-15=0 | | 3x-x-4y-2y= | | m=609 | | 2x^2=-13x | | 5x+3y-2x+y= | | fx=x^2-5 | | 4xy-3xy+xy-2xy= | | 9x-10x-3x+5x= | | 3x-4y+7=o | | -5r-4s+3r-2s= | | 12a+5-8a+2= | | 1/3+1/2-1/4 | | -9-6y=-9 | | y=-.60(55)+134 | | y=-.60(45)+134 | | y=-.60(35)+134 | | -.60(25)+134=y | | 10(4x-6)=4(9x-10) | | 2(5x-9)=4(2x-5) |

Equations solver categories