x^2+5x+6=-1

Simple and best practice solution for x^2+5x+6=-1 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+5x+6=-1 equation:


Simplifying
x2 + 5x + 6 = -1

Reorder the terms:
6 + 5x + x2 = -1

Solving
6 + 5x + x2 = -1

Solving for variable 'x'.

Reorder the terms:
6 + 1 + 5x + x2 = -1 + 1

Combine like terms: 6 + 1 = 7
7 + 5x + x2 = -1 + 1

Combine like terms: -1 + 1 = 0
7 + 5x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-7' to each side of the equation.
7 + 5x + -7 + x2 = 0 + -7

Reorder the terms:
7 + -7 + 5x + x2 = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 5x + x2 = 0 + -7
5x + x2 = 0 + -7

Combine like terms: 0 + -7 = -7
5x + x2 = -7

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 = -7 + 6.25

Reorder the terms:
6.25 + 5x + x2 = -7 + 6.25

Combine like terms: -7 + 6.25 = -0.75
6.25 + 5x + x2 = -0.75

Factor a perfect square on the left side:
(x + 2.5)(x + 2.5) = -0.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| (3u+6)(u^2+2u-3)=0 | | 9.6x+15=13 | | mx^2+11mx=1 | | 7(2*-6)=56 | | m(x^2+5x+6)-1=0 | | 2(n-14)=10 | | 21=50n | | 12(9c-6)=9c-2 | | 5(y+8)=6(y-4) | | 4(k+5)=2(9-4) | | 49k+5=2(9k-4) | | 4x+2(2x-5)=1-3x | | S(294)=6s*2 | | 9x+7=-70 | | 2x+5(-2x-2)=-14-4x | | -3x^2+6x+105=0 | | 45r-4r=45-4r | | 0.09y+0.09(7000-y)=0.25y | | 8x^2+13x+7= | | .9+.2(x+4)=.3x | | -.50(20)+0.40x=0.20(20+x) | | 9-(-11a)-7a=1 | | 1.5-12=-2 | | 5x-4x=17x | | m(x^2+5x+6)=0 | | 6x+2-3x=-7-2x-x+12 | | 8d+3d+-3d-8=3d | | -8(t-7)-(t+8)=1 | | -0.50(20)+0.04x=0.20(20+x) | | p-3=0 | | 0.456=-3(7n-31.2) | | 11x-10=7+2(x-1) |

Equations solver categories