x^2-2x-1900=0

Simple and best practice solution for x^2-2x-1900=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^2-2x-1900=0 equation:


Simplifying
x2 + -2x + -1900 = 0

Reorder the terms:
-1900 + -2x + x2 = 0

Solving
-1900 + -2x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '1900' to each side of the equation.
-1900 + -2x + 1900 + x2 = 0 + 1900

Reorder the terms:
-1900 + 1900 + -2x + x2 = 0 + 1900

Combine like terms: -1900 + 1900 = 0
0 + -2x + x2 = 0 + 1900
-2x + x2 = 0 + 1900

Combine like terms: 0 + 1900 = 1900
-2x + x2 = 1900

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = 1900 + 1

Reorder the terms:
1 + -2x + x2 = 1900 + 1

Combine like terms: 1900 + 1 = 1901
1 + -2x + x2 = 1901

Factor a perfect square on the left side:
(x + -1)(x + -1) = 1901

Calculate the square root of the right side: 43.600458713

Break this problem into two subproblems by setting 
(x + -1) equal to 43.600458713 and -43.600458713.

Subproblem 1

x + -1 = 43.600458713 Simplifying x + -1 = 43.600458713 Reorder the terms: -1 + x = 43.600458713 Solving -1 + x = 43.600458713 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 43.600458713 + 1 Combine like terms: -1 + 1 = 0 0 + x = 43.600458713 + 1 x = 43.600458713 + 1 Combine like terms: 43.600458713 + 1 = 44.600458713 x = 44.600458713 Simplifying x = 44.600458713

Subproblem 2

x + -1 = -43.600458713 Simplifying x + -1 = -43.600458713 Reorder the terms: -1 + x = -43.600458713 Solving -1 + x = -43.600458713 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -43.600458713 + 1 Combine like terms: -1 + 1 = 0 0 + x = -43.600458713 + 1 x = -43.600458713 + 1 Combine like terms: -43.600458713 + 1 = -42.600458713 x = -42.600458713 Simplifying x = -42.600458713

Solution

The solution to the problem is based on the solutions from the subproblems. x = {44.600458713, -42.600458713}

See similar equations:

| -4x-3y=-8 | | 5x-2x+3=32 | | b/3+1/5=17 | | 3x-4x^2-28x^3-16x^4=0 | | 8-2(5+x)=31 | | 3x(x+1)=2(x-1) | | 2w=19 | | b/13-7b/13=54/13 | | 2x-17=9x+1 | | 6*y-(3y-6)=5y-4 | | 5(1-x)=20 | | x^2-2x=1900 | | 13y-18=-5y+26 | | 12x^3-6x^2-6x=0 | | -2(-1+7)-4=3 | | 3/4=2/3+a | | 2p^2+6p-80=0 | | F+7=58 | | -3=-y-x | | 13=-10+5x-1+3x | | 2x+(x+3)m+2xm+x+3=24 | | 6-(-2x)+(-1.5x)=x | | 16-x(2+4)=52 | | -7(5+5n)=-8n-35 | | 5=-8(3)+b | | -2(3X+4Y)=-4X+3 | | -4(-7+4x)=-5x-16 | | 6-9w=21 | | 9b-2b+4+11=17+33 | | -2-(4*-2-1)=7 | | 3(X-4)=5Y-2 | | 3x+4(4x-9)=97 |

Equations solver categories