(3x-70)x=180

Simple and best practice solution for (3x-70)x=180 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 (3x-70)x=180 equation:


Simplifying
(3x + -70) * x = 180

Reorder the terms:
(-70 + 3x) * x = 180

Reorder the terms for easier multiplication:
x(-70 + 3x) = 180
(-70 * x + 3x * x) = 180
(-70x + 3x2) = 180

Solving
-70x + 3x2 = 180

Solving for variable 'x'.

Reorder the terms:
-180 + -70x + 3x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-180 + -70x + 3x2 = 0

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
-60 + -23.33333333x + x2 = 0

Move the constant term to the right:

Add '60' to each side of the equation.
-60 + -23.33333333x + 60 + x2 = 0 + 60

Reorder the terms:
-60 + 60 + -23.33333333x + x2 = 0 + 60

Combine like terms: -60 + 60 = 0
0 + -23.33333333x + x2 = 0 + 60
-23.33333333x + x2 = 0 + 60

Combine like terms: 0 + 60 = 60
-23.33333333x + x2 = 60

The x term is -23.33333333x.  Take half its coefficient (-11.66666667).
Square it (136.1111112) and add it to both sides.

Add '136.1111112' to each side of the equation.
-23.33333333x + 136.1111112 + x2 = 60 + 136.1111112

Reorder the terms:
136.1111112 + -23.33333333x + x2 = 60 + 136.1111112

Combine like terms: 60 + 136.1111112 = 196.1111112
136.1111112 + -23.33333333x + x2 = 196.1111112

Factor a perfect square on the left side:
(x + -11.66666667)(x + -11.66666667) = 196.1111112

Calculate the square root of the right side: 14.003967695

Break this problem into two subproblems by setting 
(x + -11.66666667) equal to 14.003967695 and -14.003967695.

Subproblem 1

x + -11.66666667 = 14.003967695 Simplifying x + -11.66666667 = 14.003967695 Reorder the terms: -11.66666667 + x = 14.003967695 Solving -11.66666667 + x = 14.003967695 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.66666667' to each side of the equation. -11.66666667 + 11.66666667 + x = 14.003967695 + 11.66666667 Combine like terms: -11.66666667 + 11.66666667 = 0.00000000 0.00000000 + x = 14.003967695 + 11.66666667 x = 14.003967695 + 11.66666667 Combine like terms: 14.003967695 + 11.66666667 = 25.670634365 x = 25.670634365 Simplifying x = 25.670634365

Subproblem 2

x + -11.66666667 = -14.003967695 Simplifying x + -11.66666667 = -14.003967695 Reorder the terms: -11.66666667 + x = -14.003967695 Solving -11.66666667 + x = -14.003967695 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.66666667' to each side of the equation. -11.66666667 + 11.66666667 + x = -14.003967695 + 11.66666667 Combine like terms: -11.66666667 + 11.66666667 = 0.00000000 0.00000000 + x = -14.003967695 + 11.66666667 x = -14.003967695 + 11.66666667 Combine like terms: -14.003967695 + 11.66666667 = -2.337301025 x = -2.337301025 Simplifying x = -2.337301025

Solution

The solution to the problem is based on the solutions from the subproblems. x = {25.670634365, -2.337301025}

See similar equations:

| 3(r+1)=2(r+5)-4 | | 2x^2+5x-18=03 | | y=-0.50(20)+116 | | x-0.19x=434.16 | | 8x+6-7x=12 | | 7x+7(x+3)=91 | | 6x-5=13+9x-21 | | 4w^2-20w=0 | | 190.00+x(0.25)=397.50 | | 15x-10x-5=3x-3 | | 2x-5+3x+15=180 | | 44=4(2-3x) | | 4y^2+1=5y-3 | | 8z-1=5 | | 2x-8=9-3x | | 10x-1x+1=20 | | 23-(17-3.4)+6= | | 7x^2-252=0 | | x-1x^2+x-3x^3=6 | | 2x=-57 | | -7(1-4m)=14(2m-3) | | -15+16=86-29n | | 12x-8=-3 | | 10x^2-35x=0 | | -4(x-4)=32 | | -8-3t-3t+2=-5t-6t | | 15x-9y-6x=9y | | 2x-5+3w+15=180 | | 1+3x+2x=-4+5+3x-8 | | .50b+4=.13b+88 | | 9x+15=10x+8 | | 4x-8-3x+3=48 |

Equations solver categories