x(x+30)=3600

Simple and best practice solution for x(x+30)=3600 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+30)=3600 equation:


Simplifying
x(x + 30) = 3600

Reorder the terms:
x(30 + x) = 3600
(30 * x + x * x) = 3600
(30x + x2) = 3600

Solving
30x + x2 = 3600

Solving for variable 'x'.

Reorder the terms:
-3600 + 30x + x2 = 3600 + -3600

Combine like terms: 3600 + -3600 = 0
-3600 + 30x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '3600' to each side of the equation.
-3600 + 30x + 3600 + x2 = 0 + 3600

Reorder the terms:
-3600 + 3600 + 30x + x2 = 0 + 3600

Combine like terms: -3600 + 3600 = 0
0 + 30x + x2 = 0 + 3600
30x + x2 = 0 + 3600

Combine like terms: 0 + 3600 = 3600
30x + x2 = 3600

The x term is 30x.  Take half its coefficient (15).
Square it (225) and add it to both sides.

Add '225' to each side of the equation.
30x + 225 + x2 = 3600 + 225

Reorder the terms:
225 + 30x + x2 = 3600 + 225

Combine like terms: 3600 + 225 = 3825
225 + 30x + x2 = 3825

Factor a perfect square on the left side:
(x + 15)(x + 15) = 3825

Calculate the square root of the right side: 61.846584384

Break this problem into two subproblems by setting 
(x + 15) equal to 61.846584384 and -61.846584384.

Subproblem 1

x + 15 = 61.846584384 Simplifying x + 15 = 61.846584384 Reorder the terms: 15 + x = 61.846584384 Solving 15 + x = 61.846584384 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + x = 61.846584384 + -15 Combine like terms: 15 + -15 = 0 0 + x = 61.846584384 + -15 x = 61.846584384 + -15 Combine like terms: 61.846584384 + -15 = 46.846584384 x = 46.846584384 Simplifying x = 46.846584384

Subproblem 2

x + 15 = -61.846584384 Simplifying x + 15 = -61.846584384 Reorder the terms: 15 + x = -61.846584384 Solving 15 + x = -61.846584384 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + x = -61.846584384 + -15 Combine like terms: 15 + -15 = 0 0 + x = -61.846584384 + -15 x = -61.846584384 + -15 Combine like terms: -61.846584384 + -15 = -76.846584384 x = -76.846584384 Simplifying x = -76.846584384

Solution

The solution to the problem is based on the solutions from the subproblems. x = {46.846584384, -76.846584384}

See similar equations:

| 3+x+3+x+90=180 | | 6x+3x-5x=1 | | 6(9+4x)=78 | | (2m^4/m^2)-4 | | 2x-21=x/4 | | 1/5y+10=15 | | -6/14 | | -2(a-5)(a-7)=0 | | 3x+3x+90=180 | | 6x-5=59 | | (64-x^2)/(x^2+8x)=0 | | X=3/5x+1 | | (64-x^2)/(x^2+8x) | | 1/16(14)+2/3 | | 38=4(2f-3)-3f | | x-2(6-x)=28 | | p-1=5p+3p-8p | | 5x+8y=230 | | 0.5(4x-1)=15.5 | | 4(2x-1)-3(x+5)= | | 17x^2+x=0 | | 4[1-(-5x-4)]=180x+148 | | 1/12x=7/6 | | 5-2x=-2(3-3x)+3x | | 2.07/0.23=x | | 1+k=13+3k | | 3(2-x)= | | (b+5)=1 | | 4(6-1)=-4+45 | | x-3/2-6=x-8/3 | | 64/-4*2/-16 | | (2x+3)2+25=0 |

Equations solver categories