x(x+1)-72=0

Simple and best practice solution for x(x+1)-72=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 x(x+1)-72=0 equation:


Simplifying
x(x + 1) + -72 = 0

Reorder the terms:
x(1 + x) + -72 = 0
(1 * x + x * x) + -72 = 0
(1x + x2) + -72 = 0

Reorder the terms:
-72 + 1x + x2 = 0

Solving
-72 + 1x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -1x)(8 + -1x) = 0

Subproblem 1

Set the factor '(-9 + -1x)' equal to zero and attempt to solve: Simplifying -9 + -1x = 0 Solving -9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1x = 0 + 9 -1x = 0 + 9 Combine like terms: 0 + 9 = 9 -1x = 9 Divide each side by '-1'. x = -9 Simplifying x = -9

Subproblem 2

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {-9, 8}

See similar equations:

| Y^2+8y+2=6 | | -1/2x=-5 | | 3.1=1-x | | (2x+60)+(2x+20)=180 | | 2e^2x=862 | | x+(x*1.5)=20 | | sin(x)=sin(y) | | (2x+60)(4x+20)=180 | | (2x+60)+(4x+20)=180 | | 5y^3-25y^2-70y=0 | | 2X+3X=58 | | 19m5-3/5=1.4-m/5 | | sinx=0.05 | | 4(x-6)+1=2x-7 | | factor(6y+48)(y+2)= | | F(x)=4x/5x-25 | | 8+10h= | | (3y-7)(y+5)= | | 8-H-9h= | | 0=-16x^2-8x+120 | | 2x^2-4+7=0 | | 6y^2+60y+96= | | 5xy-3y+7y= | | 1/3x-2/5y=0 | | 4y^2+16y+12= | | 2(9x^2+42x+49)= | | 9x^3-33x^2+19x-3=0 | | 4log(x-4)=11 | | 112=2x^2+20x | | ((9-m^2)*7m^3)/((3-m)*14m) | | 3v-8=-14 | | 10a-12/2 |

Equations solver categories