-2x^2-42x-220=0

Simple and best practice solution for -2x^2-42x-220=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 -2x^2-42x-220=0 equation:


Simplifying
-2x2 + -42x + -220 = 0

Reorder the terms:
-220 + -42x + -2x2 = 0

Solving
-220 + -42x + -2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-2'.
-2(110 + 21x + x2) = 0

Factor a trinomial.
-2((11 + x)(10 + x)) = 0

Ignore the factor -2.

Subproblem 1

Set the factor '(11 + x)' equal to zero and attempt to solve: Simplifying 11 + x = 0 Solving 11 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + x = 0 + -11 x = 0 + -11 Combine like terms: 0 + -11 = -11 x = -11 Simplifying x = -11

Subproblem 2

Set the factor '(10 + x)' equal to zero and attempt to solve: Simplifying 10 + x = 0 Solving 10 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + x = 0 + -10 x = 0 + -10 Combine like terms: 0 + -10 = -10 x = -10 Simplifying x = -10

Solution

x = {-11, -10}

See similar equations:

| x-0.2(x)=12950 | | x=56-y | | y-x=56 | | 0.3(9-2y)=5(2-3y)-50 | | 10-x-7=1 | | 10w=4500 | | 132=156 | | .25x-1.5(x-8)=0.25x-3 | | 1/4(3x-2)^2=20 | | 15c^3+6w=0 | | x^3-6x+16x=96 | | sinx+2=3 | | 27/36 | | (4x-9)(5x-5)= | | (x/5)=20 | | z^2-2z+35=0 | | 2x^2-19x=-5x^2-6x-6 | | 10x-17=3x | | 90=60+14Q+2Q^2 | | 2x-45=76 | | 3x/2-2x/3-2=1-1/3 | | 3r+2(r+7)=3(r+2) | | 60=3y+9 | | 15c^3+6w= | | 8-8/13 | | 7x+9=3(5x+7) | | 7x^2+3x-17=47-45x | | 6x-10y=-58 | | x/-4=-5-(-6) | | 14y=17 | | n/20=1 | | 6x-10y=58 |

Equations solver categories