-4x^2+8x+12+20=0

Simple and best practice solution for -4x^2+8x+12+20=0 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 -4x^2+8x+12+20=0 equation:


Simplifying
-4x2 + 8x + 12 + 20 = 0

Reorder the terms:
12 + 20 + 8x + -4x2 = 0

Combine like terms: 12 + 20 = 32
32 + 8x + -4x2 = 0

Solving
32 + 8x + -4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(8 + 2x + -1x2) = 0

Factor a trinomial.
4((4 + -1x)(2 + x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Subproblem 2

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Solution

x = {4, -2}

See similar equations:

| -2(-2r-4s+4)= | | 4(2)-3(7)=22 | | 20w-(-14w)+-15w-4w-6w=-18 | | 5+18x-2=9x+115-7x | | -4d-10d-(-18d)-3d=10 | | 12(2x-4)=4(6x+3) | | 11=5(x-3)-(x-6) | | 1.75+1x=3 | | 7.75+1x=3 | | 19g+-12g+-3g=-12 | | -18s+7s=11 | | 18x+x+4x-5x-17x=11 | | 3/(2x+3)-1/(2x-3)=4/(4x^2-9) | | 20n-16n-3n+n+n=9 | | -11n+16=-7n-16 | | 9(x+4)=5[x-(5-x)] | | 19j+2j-19j-j=7 | | 2(x+3)=3/4(8x+12) | | 14/x=49/17.5 | | 4u+6u-9u=13 | | 3(x-5)-5(x-3)=x+4-(x-10) | | -2=3x-4 | | 3d-d=10 | | 2y-7=10y+49 | | 19-3x=-8 | | 1.6q-2.1-3.6q=3.0-2.6 | | 2/7x+8=-5/7x-3 | | x/3+13x/18=x/15 | | 3x+3=78 | | 11q^2-44=o | | 6+2m-1=9m+9-6m | | k/4+5=7 |

Equations solver categories