X(X+3)=192

Simple and best practice solution for X(X+3)=192 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+3)=192 equation:


Simplifying
X(X + 3) = 192

Reorder the terms:
X(3 + X) = 192
(3 * X + X * X) = 192
(3X + X2) = 192

Solving
3X + X2 = 192

Solving for variable 'X'.

Reorder the terms:
-192 + 3X + X2 = 192 + -192

Combine like terms: 192 + -192 = 0
-192 + 3X + X2 = 0

Begin completing the square.

Move the constant term to the right:

Add '192' to each side of the equation.
-192 + 3X + 192 + X2 = 0 + 192

Reorder the terms:
-192 + 192 + 3X + X2 = 0 + 192

Combine like terms: -192 + 192 = 0
0 + 3X + X2 = 0 + 192
3X + X2 = 0 + 192

Combine like terms: 0 + 192 = 192
3X + X2 = 192

The X term is 3X.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3X + 2.25 + X2 = 192 + 2.25

Reorder the terms:
2.25 + 3X + X2 = 192 + 2.25

Combine like terms: 192 + 2.25 = 194.25
2.25 + 3X + X2 = 194.25

Factor a perfect square on the left side:
(X + 1.5)(X + 1.5) = 194.25

Calculate the square root of the right side: 13.937359865

Break this problem into two subproblems by setting 
(X + 1.5) equal to 13.937359865 and -13.937359865.

Subproblem 1

X + 1.5 = 13.937359865 Simplifying X + 1.5 = 13.937359865 Reorder the terms: 1.5 + X = 13.937359865 Solving 1.5 + X = 13.937359865 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + X = 13.937359865 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + X = 13.937359865 + -1.5 X = 13.937359865 + -1.5 Combine like terms: 13.937359865 + -1.5 = 12.437359865 X = 12.437359865 Simplifying X = 12.437359865

Subproblem 2

X + 1.5 = -13.937359865 Simplifying X + 1.5 = -13.937359865 Reorder the terms: 1.5 + X = -13.937359865 Solving 1.5 + X = -13.937359865 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + X = -13.937359865 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + X = -13.937359865 + -1.5 X = -13.937359865 + -1.5 Combine like terms: -13.937359865 + -1.5 = -15.437359865 X = -15.437359865 Simplifying X = -15.437359865

Solution

The solution to the problem is based on the solutions from the subproblems. X = {12.437359865, -15.437359865}

See similar equations:

| 3*(2/3) | | 295=-x+114 | | 5y-4x-7=10 | | 15-2(y-3)=6(2y+6)-5y | | 2-9(1-8a)=32 | | -9(10+6x)=3x-33 | | 6x-3=651 | | 0+1=2(5-3) | | 5(3x-1)-3(4x+5)=7 | | .5x+.75=2.3 | | Z-4/10=9 | | 15-3=2(x+3) | | 5x-7(4x+3)=94 | | 6=17-p | | x^(-2/5)=0 | | 3x+21=7x-1 | | 8=x/4-4 | | 1/3x=-21 | | 4x-(5-10x)= | | -3-2(2)=7 | | 2u-3=-15 | | 3/2-1/4y=1/2 | | 3c+2-2c-5=2-0.67c | | 3(4x+1)-5x= | | 12.99+1.75=35 | | 2log(-5.8x+1.5)+x+1=0 | | 6x=-8(x-7) | | -3x=4x+7(5+4x) | | 2z^2+6z-8=0 | | 0=-3(0)+2 | | 7r+7+8=-20 | | 5x+9y=10000 |

Equations solver categories