0=x^2+12x+40

Simple and best practice solution for 0=x^2+12x+40 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 0=x^2+12x+40 equation:


Simplifying
0 = x2 + 12x + 40

Reorder the terms:
0 = 40 + 12x + x2

Solving
0 = 40 + 12x + x2

Solving for variable 'x'.

Combine like terms: 0 + -40 = -40
-40 + -12x + -1x2 = 40 + 12x + x2 + -40 + -12x + -1x2

Reorder the terms:
-40 + -12x + -1x2 = 40 + -40 + 12x + -12x + x2 + -1x2

Combine like terms: 40 + -40 = 0
-40 + -12x + -1x2 = 0 + 12x + -12x + x2 + -1x2
-40 + -12x + -1x2 = 12x + -12x + x2 + -1x2

Combine like terms: 12x + -12x = 0
-40 + -12x + -1x2 = 0 + x2 + -1x2
-40 + -12x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-40 + -12x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(40 + 12x + x2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(40 + 12x + x2)' equal to zero and attempt to solve: Simplifying 40 + 12x + x2 = 0 Solving 40 + 12x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-40' to each side of the equation. 40 + 12x + -40 + x2 = 0 + -40 Reorder the terms: 40 + -40 + 12x + x2 = 0 + -40 Combine like terms: 40 + -40 = 0 0 + 12x + x2 = 0 + -40 12x + x2 = 0 + -40 Combine like terms: 0 + -40 = -40 12x + x2 = -40 The x term is 12x. Take half its coefficient (6). Square it (36) and add it to both sides. Add '36' to each side of the equation. 12x + 36 + x2 = -40 + 36 Reorder the terms: 36 + 12x + x2 = -40 + 36 Combine like terms: -40 + 36 = -4 36 + 12x + x2 = -4 Factor a perfect square on the left side: (x + 6)(x + 6) = -4 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| 44(y-51)=y | | 3+2(4x-6)=6-x | | 2x+5=-6-10x | | 17=x+(y+5) | | -14x+4(2x-5)=9 | | 122-4x=3x+17 | | 120+22x=196-24x | | 62+x=12 | | x/2+2=4x/6-x/12 | | 2x^2-9=-10 | | 3+8x=2(x-5)+12 | | 7+6*0=10*0+7-30*0 | | 19+y=-9 | | 25-4m=4m-3m | | X*3+7=71 | | 7x+2=4x-7 | | p+23=26 | | 0.49(n-24)=0.8n | | x+19=25 | | 8+3*-5=m | | -29+y=-19 | | 6-7x=43 | | 3x-7=6-2x | | 25x=14x | | 4x+5=6x-15 | | 3-7x+5=8 | | 24x^2-23x+5=0 | | 16m^2+2m-14=0 | | 5(2h-4)=11 | | 3(8-k)=6 | | 9x^2-40x-25=0 | | x^13=45 |

Equations solver categories