x^2-2x=10x+140

Simple and best practice solution for x^2-2x=10x+140 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=10x+140 equation:


Simplifying
x2 + -2x = 10x + 140

Reorder the terms:
-2x + x2 = 10x + 140

Reorder the terms:
-2x + x2 = 140 + 10x

Solving
-2x + x2 = 140 + 10x

Solving for variable 'x'.

Reorder the terms:
-140 + -2x + -10x + x2 = 140 + 10x + -140 + -10x

Combine like terms: -2x + -10x = -12x
-140 + -12x + x2 = 140 + 10x + -140 + -10x

Reorder the terms:
-140 + -12x + x2 = 140 + -140 + 10x + -10x

Combine like terms: 140 + -140 = 0
-140 + -12x + x2 = 0 + 10x + -10x
-140 + -12x + x2 = 10x + -10x

Combine like terms: 10x + -10x = 0
-140 + -12x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '140' to each side of the equation.
-140 + -12x + 140 + x2 = 0 + 140

Reorder the terms:
-140 + 140 + -12x + x2 = 0 + 140

Combine like terms: -140 + 140 = 0
0 + -12x + x2 = 0 + 140
-12x + x2 = 0 + 140

Combine like terms: 0 + 140 = 140
-12x + x2 = 140

The x term is -12x.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12x + 36 + x2 = 140 + 36

Reorder the terms:
36 + -12x + x2 = 140 + 36

Combine like terms: 140 + 36 = 176
36 + -12x + x2 = 176

Factor a perfect square on the left side:
(x + -6)(x + -6) = 176

Calculate the square root of the right side: 13.266499161

Break this problem into two subproblems by setting 
(x + -6) equal to 13.266499161 and -13.266499161.

Subproblem 1

x + -6 = 13.266499161 Simplifying x + -6 = 13.266499161 Reorder the terms: -6 + x = 13.266499161 Solving -6 + x = 13.266499161 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 13.266499161 + 6 Combine like terms: -6 + 6 = 0 0 + x = 13.266499161 + 6 x = 13.266499161 + 6 Combine like terms: 13.266499161 + 6 = 19.266499161 x = 19.266499161 Simplifying x = 19.266499161

Subproblem 2

x + -6 = -13.266499161 Simplifying x + -6 = -13.266499161 Reorder the terms: -6 + x = -13.266499161 Solving -6 + x = -13.266499161 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = -13.266499161 + 6 Combine like terms: -6 + 6 = 0 0 + x = -13.266499161 + 6 x = -13.266499161 + 6 Combine like terms: -13.266499161 + 6 = -7.266499161 x = -7.266499161 Simplifying x = -7.266499161

Solution

The solution to the problem is based on the solutions from the subproblems. x = {19.266499161, -7.266499161}

See similar equations:

| -11+3(6+5)=7 | | 6x-7y=-76 | | 9+6x=-4+99 | | -2x-3=-17+5x | | 35x+50+46-6x=180 | | 3x+4=13x-6 | | -4=-y+3x | | 1+6x=2x+17 | | 7x^2-25x+22=0 | | 288=8+4(6-7x) | | y+1-3x=o | | 0=-x^2+8x+140 | | 0=-6y+18+3x | | 2y+29=8 | | 25=3x-5y | | 55000x+2500=62000x+2000 | | -20+10y=6x | | .5t+.5t(t-.1)=1.88 | | -2=-2y-x | | 8x-4=43x+2 | | 3x-10-2y=0 | | 1-3x=3-5x | | 2x^3+8x^2+10x+20=0 | | 4s+3=7x-6 | | -4+7x-3(x+4)=0 | | 5a-2b+1= | | x^2+xy-2y^2-8x-20y=0 | | 6x+10y=14 | | 8(y+7)+6y-22=90 | | 3m-7=-12 | | 3(x-6)+2x+7=-11 | | 2x^2+2x-960=0 |

Equations solver categories