x^2+x-5=-12

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


Simplifying
x2 + x + -5 = -12

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

Solving
-5 + x + x2 = -12

Solving for variable 'x'.

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

Combine like terms: -5 + 12 = 7
7 + x + x2 = -12 + 12

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

Begin completing the square.

Move the constant term to the right:

Add '-7' to each side of the equation.
7 + x + -7 + x2 = 0 + -7

Reorder the terms:
7 + -7 + x + x2 = 0 + -7

Combine like terms: 7 + -7 = 0
0 + x + x2 = 0 + -7
x + x2 = 0 + -7

Combine like terms: 0 + -7 = -7
x + x2 = -7

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
x + 0.25 + x2 = -7 + 0.25

Reorder the terms:
0.25 + x + x2 = -7 + 0.25

Combine like terms: -7 + 0.25 = -6.75
0.25 + x + x2 = -6.75

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -6.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 12x^2+17x+5=0 | | -5(7x-6)+8=-35x+38 | | 9x*2+36x=0 | | 13x+1=4(3x-1)+5 | | 5-2x=2x+11 | | f(x)=3x-6x+5 | | x^3+15=0 | | 3(x+5)-6=18-5x-9+8x | | 5(1x+3)=20 | | 8+0.3(4-y)=0.5y-2(y-0.8) | | 2x-4=10x+2 | | 5a^2b^2-30ab=equation | | -4+7(x-3)=12x+4-5x | | -2y+41=3(y-3) | | 9*n=3n-12 | | 15x+24=3(5x+8) | | 6x+12=6x+15-3 | | (2x-1)(2x-1)(2x-1)=0 | | -4+8(x-1)=15x+4-7x | | x^2+x=7x+16 | | 12x+y=180 | | x+15+2x-5+3x-25=180 | | 15x+8y=56 | | 1w+6j=135 | | X+3=9x-8 | | 1w=135-6j | | 180(n-2)/n=180-360/n | | .5(6x+2)=24 | | 9x-1=4x+19 | | 12x+y=18 | | 5x^2+5y^2-40x+20y-25=0 | | 364+28y+y^2+x^2=-26x |

Equations solver categories