x^2+20x-8035=0

Simple and best practice solution for x^2+20x-8035=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-8035=0 equation:


Simplifying
x2 + 20x + -8035 = 0

Reorder the terms:
-8035 + 20x + x2 = 0

Solving
-8035 + 20x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '8035' to each side of the equation.
-8035 + 20x + 8035 + x2 = 0 + 8035

Reorder the terms:
-8035 + 8035 + 20x + x2 = 0 + 8035

Combine like terms: -8035 + 8035 = 0
0 + 20x + x2 = 0 + 8035
20x + x2 = 0 + 8035

Combine like terms: 0 + 8035 = 8035
20x + x2 = 8035

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 = 8035 + 100

Reorder the terms:
100 + 20x + x2 = 8035 + 100

Combine like terms: 8035 + 100 = 8135
100 + 20x + x2 = 8135

Factor a perfect square on the left side:
(x + 10)(x + 10) = 8135

Calculate the square root of the right side: 90.194234849

Break this problem into two subproblems by setting 
(x + 10) equal to 90.194234849 and -90.194234849.

Subproblem 1

x + 10 = 90.194234849 Simplifying x + 10 = 90.194234849 Reorder the terms: 10 + x = 90.194234849 Solving 10 + x = 90.194234849 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 = 90.194234849 + -10 Combine like terms: 10 + -10 = 0 0 + x = 90.194234849 + -10 x = 90.194234849 + -10 Combine like terms: 90.194234849 + -10 = 80.194234849 x = 80.194234849 Simplifying x = 80.194234849

Subproblem 2

x + 10 = -90.194234849 Simplifying x + 10 = -90.194234849 Reorder the terms: 10 + x = -90.194234849 Solving 10 + x = -90.194234849 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 = -90.194234849 + -10 Combine like terms: 10 + -10 = 0 0 + x = -90.194234849 + -10 x = -90.194234849 + -10 Combine like terms: -90.194234849 + -10 = -100.194234849 x = -100.194234849 Simplifying x = -100.194234849

Solution

The solution to the problem is based on the solutions from the subproblems. x = {80.194234849, -100.194234849}

See similar equations:

| 5a^2-9ab+4a= | | -6(x+1)=-11(x-9) | | m-2m+2m+8= | | Log[5](4x-8)=2 | | 8x+2-5x+7=7x-6-4x | | 96+6a=3a+48 | | lny+3x=x+2lnx | | f=4gf | | 4x^2-4x=22 | | 97-79=24-x | | 112-75=x+38 | | 32+6x=7x+43 | | 3a^2+16ab+5b^2=0 | | -4x-9=5-x | | 2y=12-3x | | 5(4x-7)-4(4x+2)=5(8x+2) | | 7x+2y+6=0 | | 5x-87=2x+4x-121 | | 6(z-2)= | | -5(4+7x)=-160 | | 6a^2+5ab+b^2=0 | | 5x-23=-115+2x | | 9a^2+6ab+b^2=0 | | 8y+16=5y-5 | | .50x+.15(70)=42.5 | | t^2-4t-10=0 | | 2b=80-2b | | -5x-9=7x-12 | | -4-y=-2(y+2) | | t^2+4t-10=0 | | 36x^2+216x=0 | | 2-4(x+1)=8+x |

Equations solver categories