0=x^2-4x-320

Simple and best practice solution for 0=x^2-4x-320 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 0=x^2-4x-320 equation:


Simplifying
0 = x2 + -4x + -320

Reorder the terms:
0 = -320 + -4x + x2

Solving
0 = -320 + -4x + x2

Solving for variable 'x'.

Combine like terms: 0 + 320 = 320
320 + 4x + -1x2 = -320 + -4x + x2 + 320 + 4x + -1x2

Reorder the terms:
320 + 4x + -1x2 = -320 + 320 + -4x + 4x + x2 + -1x2

Combine like terms: -320 + 320 = 0
320 + 4x + -1x2 = 0 + -4x + 4x + x2 + -1x2
320 + 4x + -1x2 = -4x + 4x + x2 + -1x2

Combine like terms: -4x + 4x = 0
320 + 4x + -1x2 = 0 + x2 + -1x2
320 + 4x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
320 + 4x + -1x2 = 0

Factor a trinomial.
(20 + -1x)(16 + x) = 0

Subproblem 1

Set the factor '(20 + -1x)' equal to zero and attempt to solve: Simplifying 20 + -1x = 0 Solving 20 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + -1x = 0 + -20 Combine like terms: 20 + -20 = 0 0 + -1x = 0 + -20 -1x = 0 + -20 Combine like terms: 0 + -20 = -20 -1x = -20 Divide each side by '-1'. x = 20 Simplifying x = 20

Subproblem 2

Set the factor '(16 + x)' equal to zero and attempt to solve: Simplifying 16 + x = 0 Solving 16 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + x = 0 + -16 Combine like terms: 16 + -16 = 0 0 + x = 0 + -16 x = 0 + -16 Combine like terms: 0 + -16 = -16 x = -16 Simplifying x = -16

Solution

x = {20, -16}

See similar equations:

| 10(x+32)=380 | | (121x^2-81y^2)= | | x^2/x^-3 | | 180=2(x-84) | | 81=10x-x | | 7(x+2)=105 | | 4(x+3)=76 | | -28x+15y=-18 | | F(6)=12(6) | | Z+9/9=z-2/8 | | 1.2x-0.8=0.8x+9.4 | | 7(y-1)=3y-35 | | 15u^3v^6+24u^4v^5y=0 | | 9(4x-5)=3(12x+1) | | 156=24w-36 | | 3+12n-2=8n+31-2n | | 36=21t+15 | | 36=21t+5 | | 61=n+29 | | 12y-15=69 | | y=(1/2)x-4 | | 16/5-16 | | 1/6t=-6 | | 16/m-10 | | 24+h/4=20 | | 7(3x+5)=2(x-7) | | (26+4)+(30+2)= | | x+5x=7-3x | | v=3/4t+6 | | 7(x+6m+4)= | | 8x^2+26x-2=-17 | | y=2y+6 |

Equations solver categories