2a^2+8a=-30

Simple and best practice solution for 2a^2+8a=-30 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+8a=-30 equation:


Simplifying
2a2 + 8a = -30

Reorder the terms:
8a + 2a2 = -30

Solving
8a + 2a2 = -30

Solving for variable 'a'.

Reorder the terms:
30 + 8a + 2a2 = -30 + 30

Combine like terms: -30 + 30 = 0
30 + 8a + 2a2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(15 + 4a + a2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(15 + 4a + a2)' equal to zero and attempt to solve: Simplifying 15 + 4a + a2 = 0 Solving 15 + 4a + a2 = 0 Begin completing the square. Move the constant term to the right: Add '-15' to each side of the equation. 15 + 4a + -15 + a2 = 0 + -15 Reorder the terms: 15 + -15 + 4a + a2 = 0 + -15 Combine like terms: 15 + -15 = 0 0 + 4a + a2 = 0 + -15 4a + a2 = 0 + -15 Combine like terms: 0 + -15 = -15 4a + a2 = -15 The a term is 4a. Take half its coefficient (2). Square it (4) and add it to both sides. Add '4' to each side of the equation. 4a + 4 + a2 = -15 + 4 Reorder the terms: 4 + 4a + a2 = -15 + 4 Combine like terms: -15 + 4 = -11 4 + 4a + a2 = -11 Factor a perfect square on the left side: (a + 2)(a + 2) = -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:

| 12s^3t^3+3s^4t^2= | | 4=5x-24 | | x^2-5x-32=0 | | x=-2y-15 | | In(2x+1)-1=In(x-2) | | 2x^3+3x^2+36x=0 | | -(-2b^2+3)-b(2b-3)-3= | | 35(p-3)=-4 | | -14=10+3x | | -5x+4x+5=48 | | 4y+7=8y-5 | | -32-(-9)= | | 25s^3t^4+5s^4t^3= | | 2d^4=5d | | -9+6x=5x+12 | | (2x-13)+(x+41)+(x)=180 | | 5(5x-2)=-6(x+2) | | 9x=10x+90 | | -56+x=32+5x | | -(7c+18)-2c0= | | 2x+45=-9(x+6) | | -78+4x=42-8x | | -3(2x+4)+1=19 | | -8x-65=103+4x | | 60s=50 | | .03x+.4=8 | | -18-4x=16-6x | | -7x+11+2x=-4 | | -6x-8=13-7x | | 60s+6=56 | | W=2YZ+2YXfory | | h=16t^2+1444 |

Equations solver categories