x^2-72x-3770=0

Simple and best practice solution for x^2-72x-3770=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^2-72x-3770=0 equation:


Simplifying
x2 + -72x + -3770 = 0

Reorder the terms:
-3770 + -72x + x2 = 0

Solving
-3770 + -72x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '3770' to each side of the equation.
-3770 + -72x + 3770 + x2 = 0 + 3770

Reorder the terms:
-3770 + 3770 + -72x + x2 = 0 + 3770

Combine like terms: -3770 + 3770 = 0
0 + -72x + x2 = 0 + 3770
-72x + x2 = 0 + 3770

Combine like terms: 0 + 3770 = 3770
-72x + x2 = 3770

The x term is -72x.  Take half its coefficient (-36).
Square it (1296) and add it to both sides.

Add '1296' to each side of the equation.
-72x + 1296 + x2 = 3770 + 1296

Reorder the terms:
1296 + -72x + x2 = 3770 + 1296

Combine like terms: 3770 + 1296 = 5066
1296 + -72x + x2 = 5066

Factor a perfect square on the left side:
(x + -36)(x + -36) = 5066

Calculate the square root of the right side: 71.175838597

Break this problem into two subproblems by setting 
(x + -36) equal to 71.175838597 and -71.175838597.

Subproblem 1

x + -36 = 71.175838597 Simplifying x + -36 = 71.175838597 Reorder the terms: -36 + x = 71.175838597 Solving -36 + x = 71.175838597 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '36' to each side of the equation. -36 + 36 + x = 71.175838597 + 36 Combine like terms: -36 + 36 = 0 0 + x = 71.175838597 + 36 x = 71.175838597 + 36 Combine like terms: 71.175838597 + 36 = 107.175838597 x = 107.175838597 Simplifying x = 107.175838597

Subproblem 2

x + -36 = -71.175838597 Simplifying x + -36 = -71.175838597 Reorder the terms: -36 + x = -71.175838597 Solving -36 + x = -71.175838597 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '36' to each side of the equation. -36 + 36 + x = -71.175838597 + 36 Combine like terms: -36 + 36 = 0 0 + x = -71.175838597 + 36 x = -71.175838597 + 36 Combine like terms: -71.175838597 + 36 = -35.175838597 x = -35.175838597 Simplifying x = -35.175838597

Solution

The solution to the problem is based on the solutions from the subproblems. x = {107.175838597, -35.175838597}

See similar equations:

| y^4-5y+4=0 | | 6x-y+12x-2y= | | 3x^2+2x-x^2-5x-3x^2= | | (2/-1/2)4y=1/8 | | 0.33log(x+1)-1=0 | | 725+10.50=19.50x | | 8mn-9n-10mn= | | x^2-4x+60=9 | | (x-y)-3(x-y)= | | y^2+8y-8=-8 | | 4x^4-x^3/8x-2 | | (2-1/2)4y=1/8 | | X^2+12-9=0 | | (-4/x)+(9/9x)=2 | | 3a(-b)+4(-a)(b)+7-(-ab)= | | 3x-7=7x-2 | | 0.3x=20-2 | | (x-4)=3 | | 3(a+b)+8(a+b)= | | 10x-2(x-8)=14 | | log(2)+log(3x-4)=log(2x+4) | | 4v=64 | | 4c-d+6c+2d= | | 3056890000.00-15000000.00=2085000000.00+5550000.00x | | 3056890000.00-15000000.00=2085000000.00+5550000.00 | | x(2)+x+1=0 | | x+3/8=4/7 | | 2085000000+5550000x=25000000000 | | 6y+12=84 | | 5x-20=4x+5 | | 3x+4x+8= | | 6(w-1)=3w+5 |

Equations solver categories