2a^2+12a=-40

Simple and best practice solution for 2a^2+12a=-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 2a^2+12a=-40 equation:


Simplifying
2a2 + 12a = -40

Reorder the terms:
12a + 2a2 = -40

Solving
12a + 2a2 = -40

Solving for variable 'a'.

Reorder the terms:
40 + 12a + 2a2 = -40 + 40

Combine like terms: -40 + 40 = 0
40 + 12a + 2a2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(20 + 6a + a2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(20 + 6a + a2)' equal to zero and attempt to solve: Simplifying 20 + 6a + a2 = 0 Solving 20 + 6a + a2 = 0 Begin completing the square. Move the constant term to the right: Add '-20' to each side of the equation. 20 + 6a + -20 + a2 = 0 + -20 Reorder the terms: 20 + -20 + 6a + a2 = 0 + -20 Combine like terms: 20 + -20 = 0 0 + 6a + a2 = 0 + -20 6a + a2 = 0 + -20 Combine like terms: 0 + -20 = -20 6a + a2 = -20 The a term is 6a. Take half its coefficient (3). Square it (9) and add it to both sides. Add '9' to each side of the equation. 6a + 9 + a2 = -20 + 9 Reorder the terms: 9 + 6a + a2 = -20 + 9 Combine like terms: -20 + 9 = -11 9 + 6a + a2 = -11 Factor a perfect square on the left side: (a + 3)(a + 3) = -11 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:

| ln(6x^2+11x+3)-(3x+1)=5 | | 5x+3-63=0 | | 2/3W=3x | | y-7=-2(x+5) | | 5x+x-3=-2x+6 | | t^2+28t-3=0 | | 8x-21=2x-29 | | 16-(-8y)-5y=29 | | y≤9/2x-4 | | 8+7(-2+5m)= | | 5x+5=9x+3 | | 14-6t=5t-19 | | 9/10(n)=1 | | 20x=x-1 | | 40=2(5)+2w | | N+2n-7=20 | | -12/2/3=-1/1/9y | | -32=-10(3a+7)-4(8+10a) | | -7y-6y= | | (X+4)+(x+4)+14=70 | | -x^4-10x^2-21=0 | | r^2+14r-25=0 | | 3/9=3m | | 1/1/2=9/9/20 | | 2x+12=2(x+12) | | 3/9=9m= | | -16-6x=-10(6+5x) | | 9x + 3y = -12 | | 35-5=31 | | 4-20+3=304 | | 4x+42=6 | | r=57/19 |

Equations solver categories