x(x+6)=144

Simple and best practice solution for x(x+6)=144 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+6)=144 equation:


Simplifying
x(x + 6) = 144

Reorder the terms:
x(6 + x) = 144
(6 * x + x * x) = 144
(6x + x2) = 144

Solving
6x + x2 = 144

Solving for variable 'x'.

Reorder the terms:
-144 + 6x + x2 = 144 + -144

Combine like terms: 144 + -144 = 0
-144 + 6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '144' to each side of the equation.
-144 + 6x + 144 + x2 = 0 + 144

Reorder the terms:
-144 + 144 + 6x + x2 = 0 + 144

Combine like terms: -144 + 144 = 0
0 + 6x + x2 = 0 + 144
6x + x2 = 0 + 144

Combine like terms: 0 + 144 = 144
6x + x2 = 144

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = 144 + 9

Reorder the terms:
9 + 6x + x2 = 144 + 9

Combine like terms: 144 + 9 = 153
9 + 6x + x2 = 153

Factor a perfect square on the left side:
(x + 3)(x + 3) = 153

Calculate the square root of the right side: 12.369316877

Break this problem into two subproblems by setting 
(x + 3) equal to 12.369316877 and -12.369316877.

Subproblem 1

x + 3 = 12.369316877 Simplifying x + 3 = 12.369316877 Reorder the terms: 3 + x = 12.369316877 Solving 3 + x = 12.369316877 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 12.369316877 + -3 Combine like terms: 3 + -3 = 0 0 + x = 12.369316877 + -3 x = 12.369316877 + -3 Combine like terms: 12.369316877 + -3 = 9.369316877 x = 9.369316877 Simplifying x = 9.369316877

Subproblem 2

x + 3 = -12.369316877 Simplifying x + 3 = -12.369316877 Reorder the terms: 3 + x = -12.369316877 Solving 3 + x = -12.369316877 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = -12.369316877 + -3 Combine like terms: 3 + -3 = 0 0 + x = -12.369316877 + -3 x = -12.369316877 + -3 Combine like terms: -12.369316877 + -3 = -15.369316877 x = -15.369316877 Simplifying x = -15.369316877

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.369316877, -15.369316877}

See similar equations:

| 7p+43= | | 24d+42d+-3=24 | | 10-6v=-4 | | 9x+6=7x-18 | | 4*x-7*y=1 | | 38=7x-18 | | x^100=1 | | 8(x+3)-3(2x-1)= | | 0.14x=1 | | 5(2x-7)-3x= | | 8x+2-4x=2+3(x-2) | | (3x+2)+(5x+7)= | | 4x+6=8x+14 | | x=-11+20-2x | | 5x^2-4y^2=-99 | | 10x^2+8x+5=0 | | -7n^5*8n^6= | | 2x^2-19x+30=0 | | 16*1+8y=-40 | | 60h=360 | | 10v^2+19v-72=0 | | 7(x+8)+3=-10(x-3)-2 | | -53=-8(-3n-4)-(1+3n) | | 5(5x+2)=6(4x+3) | | 11x+3=10(x+4)-8 | | f(x)=cos^3(18x) | | .25(28)+2= | | 9+2(-4Y+3)= | | c=(6.28)(3r+13.12) | | 5x-3y=38 | | 2(x+1)+3x=5x-10+3x | | 3(3-0.75x)=4-(0.5x-1) |

Equations solver categories