0=x^2-5x-66

Simple and best practice solution for 0=x^2-5x-66 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^2-5x-66 equation:


Simplifying
0 = x2 + -5x + -66

Reorder the terms:
0 = -66 + -5x + x2

Solving
0 = -66 + -5x + x2

Solving for variable 'x'.

Combine like terms: 0 + 66 = 66
66 + 5x + -1x2 = -66 + -5x + x2 + 66 + 5x + -1x2

Reorder the terms:
66 + 5x + -1x2 = -66 + 66 + -5x + 5x + x2 + -1x2

Combine like terms: -66 + 66 = 0
66 + 5x + -1x2 = 0 + -5x + 5x + x2 + -1x2
66 + 5x + -1x2 = -5x + 5x + x2 + -1x2

Combine like terms: -5x + 5x = 0
66 + 5x + -1x2 = 0 + x2 + -1x2
66 + 5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
66 + 5x + -1x2 = 0

Factor a trinomial.
(11 + -1x)(6 + x) = 0

Subproblem 1

Set the factor '(11 + -1x)' equal to zero and attempt to solve: Simplifying 11 + -1x = 0 Solving 11 + -1x = 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 + -1x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -1x = 0 + -11 -1x = 0 + -11 Combine like terms: 0 + -11 = -11 -1x = -11 Divide each side by '-1'. x = 11 Simplifying x = 11

Subproblem 2

Set the factor '(6 + x)' equal to zero and attempt to solve: Simplifying 6 + x = 0 Solving 6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x = 0 + -6 x = 0 + -6 Combine like terms: 0 + -6 = -6 x = -6 Simplifying x = -6

Solution

x = {11, -6}

See similar equations:

| 37/10+25/12= | | -3x^2-24x-48=0 | | (6+y)(5y+7)=0 | | 8x=-15 | | 0=10x^2+5x-5 | | 6y-24=42x | | 2w+178=180 | | 2x-14=-36 | | 8n^2=-8n | | (z+3)(z+2)=0 | | (4x+1)/x=10/2x | | x+1=7x+43 | | 15-2g=4g | | ((4x+1)/x)=10/2x | | -7x=10 | | 2+3y=1 | | -x/7=11 | | 0=4x^2+29x+30 | | (6-v)(4v+3)=0 | | Z/2+6=15 | | 5k^2+22k-15=0 | | 26=7f-2 | | 2/384=x/4608 | | 4a^2-8a-5=0 | | 6x^7-28x^6+16x^5=0 | | 8-2x=-2x | | 5-14=6 | | 10+7.5h= | | 5w-6=m | | 7x^2-30x-25=0 | | 6x^7-28x+16x=0 | | 0=-3x^2-14x+24 |

Equations solver categories