x^2+70x-180=0

Simple and best practice solution for x^2+70x-180=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+70x-180=0 equation:


Simplifying
x2 + 70x + -180 = 0

Reorder the terms:
-180 + 70x + x2 = 0

Solving
-180 + 70x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '180' to each side of the equation.
-180 + 70x + 180 + x2 = 0 + 180

Reorder the terms:
-180 + 180 + 70x + x2 = 0 + 180

Combine like terms: -180 + 180 = 0
0 + 70x + x2 = 0 + 180
70x + x2 = 0 + 180

Combine like terms: 0 + 180 = 180
70x + x2 = 180

The x term is 70x.  Take half its coefficient (35).
Square it (1225) and add it to both sides.

Add '1225' to each side of the equation.
70x + 1225 + x2 = 180 + 1225

Reorder the terms:
1225 + 70x + x2 = 180 + 1225

Combine like terms: 180 + 1225 = 1405
1225 + 70x + x2 = 1405

Factor a perfect square on the left side:
(x + 35)(x + 35) = 1405

Calculate the square root of the right side: 37.483329628

Break this problem into two subproblems by setting 
(x + 35) equal to 37.483329628 and -37.483329628.

Subproblem 1

x + 35 = 37.483329628 Simplifying x + 35 = 37.483329628 Reorder the terms: 35 + x = 37.483329628 Solving 35 + x = 37.483329628 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-35' to each side of the equation. 35 + -35 + x = 37.483329628 + -35 Combine like terms: 35 + -35 = 0 0 + x = 37.483329628 + -35 x = 37.483329628 + -35 Combine like terms: 37.483329628 + -35 = 2.483329628 x = 2.483329628 Simplifying x = 2.483329628

Subproblem 2

x + 35 = -37.483329628 Simplifying x + 35 = -37.483329628 Reorder the terms: 35 + x = -37.483329628 Solving 35 + x = -37.483329628 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-35' to each side of the equation. 35 + -35 + x = -37.483329628 + -35 Combine like terms: 35 + -35 = 0 0 + x = -37.483329628 + -35 x = -37.483329628 + -35 Combine like terms: -37.483329628 + -35 = -72.483329628 x = -72.483329628 Simplifying x = -72.483329628

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.483329628, -72.483329628}

See similar equations:

| 40+x=5x | | 70x^2-99x+35=0 | | 4(f+10)=64 | | N+9=10 | | -n+2n= | | 7m+32=12-1m | | X=11-y | | x^6-28x^3+28=0 | | 3z-7=4z-3 | | 7(4x-5)-4(6x+5)=-91 | | -7(n-9)=-6n-3 | | 2x^3+18xy^2=0 | | 5m-7=9-3m | | 2x+23=11+4x | | 6-3z=2z+21 | | 6g+5g-3g-7= | | 5q^2+12=23q | | 5-q=7 | | 2a-10=8-a | | 9x^2+23x+14=0 | | Z=o | | (x+3)(x-3)=16-2x | | 14-2x+5x=-4(-2x-5)-6 | | 3x-12-4x-12=6x-x+3 | | 4y-7=7 | | 12a+14=8 | | 18-0.036(2x)=12-0.036(2x) | | 13-3x=37 | | 2m^3+2m^2-24m=0 | | 3(5+5)-0.333-10(-0.333)=0 | | 2m^2+2m^2-24m=0 | | -6u-4v=18 |

Equations solver categories