x^2+6x-4=-123

Simple and best practice solution for x^2+6x-4=-123 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+6x-4=-123 equation:


Simplifying
x2 + 6x + -4 = -123

Reorder the terms:
-4 + 6x + x2 = -123

Solving
-4 + 6x + x2 = -123

Solving for variable 'x'.

Reorder the terms:
-4 + 123 + 6x + x2 = -123 + 123

Combine like terms: -4 + 123 = 119
119 + 6x + x2 = -123 + 123

Combine like terms: -123 + 123 = 0
119 + 6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-119' to each side of the equation.
119 + 6x + -119 + x2 = 0 + -119

Reorder the terms:
119 + -119 + 6x + x2 = 0 + -119

Combine like terms: 119 + -119 = 0
0 + 6x + x2 = 0 + -119
6x + x2 = 0 + -119

Combine like terms: 0 + -119 = -119
6x + x2 = -119

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = -119 + 9

Reorder the terms:
9 + 6x + x2 = -119 + 9

Combine like terms: -119 + 9 = -110
9 + 6x + x2 = -110

Factor a perfect square on the left side:
(x + 3)(x + 3) = -110

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3x-(6+2x)=4 | | 2u-9=7u+15-u-20u | | 1+x-7x=-35 | | 5(4x+2)=110 | | 2p=3q+5 | | (2+1)(x+iy)=1-2i | | 2200=(360-2t)*(5.5+0.2t)+5.5+0.1(t^2) | | 9n+10n=95 | | -5+4cos(x)=-5 | | 4s+5-3s-4-s= | | (2x+4)+(x+4)+(x+8)=(x+1)+(2x+2) | | 4x+6y=177.86 | | 4x+2=10+2z | | 4z+2=10+2x | | x^2+55x-11000=0 | | z=2(x-y) | | x^2+55t-11000=0 | | 20+6.50x=91.50 | | 4+2+4= | | 2(-3v-4)=38 | | 17x^2-138x-290= | | 7(b+9)=112 | | 3x^3-2x^2-x=70 | | 33+6x=3x | | 13.5b-6.5=-2.3b+8.3 | | 13.5b-6.5=-2.3+8.3 | | 2x+3y=59 | | 36=4x-12 | | -5+2k=5 | | 7x=7+x | | 12x^3-8x^2-4x-35=0 | | 11t(4-t)=2(5-3t) |

Equations solver categories