2x^2+8x=-12

Simple and best practice solution for 2x^2+8x=-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 2x^2+8x=-12 equation:


Simplifying
2x2 + 8x = -12

Reorder the terms:
8x + 2x2 = -12

Solving
8x + 2x2 = -12

Solving for variable 'x'.

Reorder the terms:
12 + 8x + 2x2 = -12 + 12

Combine like terms: -12 + 12 = 0
12 + 8x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(6 + 4x + x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(6 + 4x + x2)' equal to zero and attempt to solve: Simplifying 6 + 4x + x2 = 0 Solving 6 + 4x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-6' to each side of the equation. 6 + 4x + -6 + x2 = 0 + -6 Reorder the terms: 6 + -6 + 4x + x2 = 0 + -6 Combine like terms: 6 + -6 = 0 0 + 4x + x2 = 0 + -6 4x + x2 = 0 + -6 Combine like terms: 0 + -6 = -6 4x + x2 = -6 The x term is 4x. Take half its coefficient (2). Square it (4) and add it to both sides. Add '4' to each side of the equation. 4x + 4 + x2 = -6 + 4 Reorder the terms: 4 + 4x + x2 = -6 + 4 Combine like terms: -6 + 4 = -2 4 + 4x + x2 = -2 Factor a perfect square on the left side: (x + 2)(x + 2) = -2 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:

| w^3+14w^2+9w=0 | | 9+2m=35 | | 7y=3-2x | | q/10+41=48 | | 4x+5y=340 | | 10-2g=6 | | U+17=17 | | 4x=4x+15 | | 3=2a-3 | | (y-4)(4y^2-3y+5)= | | 16=3d+10 | | -3=-5x+6x-3 | | E(x)=10x-35 | | 1=10-3p | | -4r+5+8r+11=r-8 | | R-15=-2 | | -4/5x=2 | | 4616(46a+374a)=3762 | | 6x-(5x+5)=5x-45 | | 2.1q-3.3-3.5q=-0.4q-3.3 | | 15=a^3-2 | | 3x+108=180 | | 8-2x=6x+3 | | n-a=b | | -4.1+x=0 | | 14b-19=5 | | 6-6x-2=3(3x+1) | | 6x-(2x+5)=27 | | 9000(x+0.3)-8000x=47 | | -3-4x=-4 | | j/3+8=10 | | 5y+3=4y-4 |

Equations solver categories