x^2-20x-3200=0

Simple and best practice solution for x^2-20x-3200=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^2-20x-3200=0 equation:


Simplifying
x2 + -20x + -3200 = 0

Reorder the terms:
-3200 + -20x + x2 = 0

Solving
-3200 + -20x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '3200' to each side of the equation.
-3200 + -20x + 3200 + x2 = 0 + 3200

Reorder the terms:
-3200 + 3200 + -20x + x2 = 0 + 3200

Combine like terms: -3200 + 3200 = 0
0 + -20x + x2 = 0 + 3200
-20x + x2 = 0 + 3200

Combine like terms: 0 + 3200 = 3200
-20x + x2 = 3200

The x term is -20x.  Take half its coefficient (-10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
-20x + 100 + x2 = 3200 + 100

Reorder the terms:
100 + -20x + x2 = 3200 + 100

Combine like terms: 3200 + 100 = 3300
100 + -20x + x2 = 3300

Factor a perfect square on the left side:
(x + -10)(x + -10) = 3300

Calculate the square root of the right side: 57.445626465

Break this problem into two subproblems by setting 
(x + -10) equal to 57.445626465 and -57.445626465.

Subproblem 1

x + -10 = 57.445626465 Simplifying x + -10 = 57.445626465 Reorder the terms: -10 + x = 57.445626465 Solving -10 + x = 57.445626465 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = 57.445626465 + 10 Combine like terms: -10 + 10 = 0 0 + x = 57.445626465 + 10 x = 57.445626465 + 10 Combine like terms: 57.445626465 + 10 = 67.445626465 x = 67.445626465 Simplifying x = 67.445626465

Subproblem 2

x + -10 = -57.445626465 Simplifying x + -10 = -57.445626465 Reorder the terms: -10 + x = -57.445626465 Solving -10 + x = -57.445626465 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = -57.445626465 + 10 Combine like terms: -10 + 10 = 0 0 + x = -57.445626465 + 10 x = -57.445626465 + 10 Combine like terms: -57.445626465 + 10 = -47.445626465 x = -47.445626465 Simplifying x = -47.445626465

Solution

The solution to the problem is based on the solutions from the subproblems. x = {67.445626465, -47.445626465}

See similar equations:

| 173-7x=20x+20 | | 3x*3X=6 | | 32z=8856 | | 1/2(4x-10)=1/3(15x+6) | | 3x6-12/6 | | 5y+y=18 | | (3-X)*(4-X)=6 | | 8x-17=5x+70 | | 9+x/4=13 | | x+1/2x=9 | | 10-(3n-1)=8-4n | | 1/12y+3=5 | | 4-x/3=20 | | 18(d-13)=6d+78 | | 17=113-6a | | 2a^0*2a^0*2a*1/2a | | x+9*20=41 | | 2*41+-9y+6y=22 | | x+9y=41 | | 5(w^2)^3/5w^0 | | X^2-2x-1=x+3 | | 400/2a=244 | | -(w+3)=-4w+16 | | 6x-5=27x+2 | | Xcm=6cm | | x/-5=48 | | 11+5=7x+21 | | 1/3p=p-22 | | 2m^3+54= | | 5w^2+20w=-15 | | -30=-x-6y | | 8-2x+6x=-2(-3x+4) |

Equations solver categories