0=x^2-x-30

Simple and best practice solution for 0=x^2-x-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 0=x^2-x-30 equation:


Simplifying
0 = x2 + -1x + -30

Reorder the terms:
0 = -30 + -1x + x2

Solving
0 = -30 + -1x + x2

Solving for variable 'x'.

Combine like terms: 0 + 30 = 30
30 + x + -1x2 = -30 + -1x + x2 + 30 + x + -1x2

Reorder the terms:
30 + x + -1x2 = -30 + 30 + -1x + x + x2 + -1x2

Combine like terms: -30 + 30 = 0
30 + x + -1x2 = 0 + -1x + x + x2 + -1x2
30 + x + -1x2 = -1x + x + x2 + -1x2

Combine like terms: -1x + x = 0
30 + x + -1x2 = 0 + x2 + -1x2
30 + x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
30 + x + -1x2 = 0

Factor a trinomial.
(6 + -1x)(5 + x) = 0

Subproblem 1

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 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 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Subproblem 2

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {6, -5}

See similar equations:

| 4a+16=30 | | 14-0.67n=-22 | | 8x-2=-5+18-2x | | (4m)+2+x=72 | | 2x+(x+15)+90=180 | | 5x^3-81=405x-x^2 | | -4x-9=87+4x | | 2x^2+3=-5x | | -6+14+4y=32 | | 0.6x-2=3+0.4x | | 5xy-10y+15=0 | | 6v+16=4(v+3) | | -4f-9-2=19 | | 192+(24+2x)+(8+2x)=960 | | x^2+7x-13=0 | | X^2-3x-85=0 | | -4(3x-10)-6(-7x-6)=-74 | | (2x+16)+44+4x=180 | | 5p-2p= | | 9xy-3y-2=0 | | -7s-8-2s=28 | | 2(14-9)-(7-14)= | | x/15+4=60 | | 11xy+4y=4 | | -2x+10=26+2x | | 6(4-z)=2z | | -4x-20=-12x+70 | | (x^2)+4x-3=0 | | 3x/5-0.5=1,9 | | 36=2(4y-2) | | 6y+8y=-33 | | z/2=5 |

Equations solver categories