x^2-2x=34

Simple and best practice solution for x^2-2x=34 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=34 equation:


Simplifying
x2 + -2x = 34

Reorder the terms:
-2x + x2 = 34

Solving
-2x + x2 = 34

Solving for variable 'x'.

Reorder the terms:
-34 + -2x + x2 = 34 + -34

Combine like terms: 34 + -34 = 0
-34 + -2x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '34' to each side of the equation.
-34 + -2x + 34 + x2 = 0 + 34

Reorder the terms:
-34 + 34 + -2x + x2 = 0 + 34

Combine like terms: -34 + 34 = 0
0 + -2x + x2 = 0 + 34
-2x + x2 = 0 + 34

Combine like terms: 0 + 34 = 34
-2x + x2 = 34

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = 34 + 1

Reorder the terms:
1 + -2x + x2 = 34 + 1

Combine like terms: 34 + 1 = 35
1 + -2x + x2 = 35

Factor a perfect square on the left side:
(x + -1)(x + -1) = 35

Calculate the square root of the right side: 5.916079783

Break this problem into two subproblems by setting 
(x + -1) equal to 5.916079783 and -5.916079783.

Subproblem 1

x + -1 = 5.916079783 Simplifying x + -1 = 5.916079783 Reorder the terms: -1 + x = 5.916079783 Solving -1 + x = 5.916079783 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 5.916079783 + 1 Combine like terms: -1 + 1 = 0 0 + x = 5.916079783 + 1 x = 5.916079783 + 1 Combine like terms: 5.916079783 + 1 = 6.916079783 x = 6.916079783 Simplifying x = 6.916079783

Subproblem 2

x + -1 = -5.916079783 Simplifying x + -1 = -5.916079783 Reorder the terms: -1 + x = -5.916079783 Solving -1 + x = -5.916079783 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -5.916079783 + 1 Combine like terms: -1 + 1 = 0 0 + x = -5.916079783 + 1 x = -5.916079783 + 1 Combine like terms: -5.916079783 + 1 = -4.916079783 x = -4.916079783 Simplifying x = -4.916079783

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.916079783, -4.916079783}

See similar equations:

| 3x+6=4x-14 | | y=0.05x^2-4x-28 | | 5-5x=-2x-10 | | 0.40*3=y | | 130-4x=190-8x | | 3x+6=116-7x | | 10x-(21-4x)-34=-11(5-2x) | | -23/5(3/4) | | -sin^2x+5sinx+1=0 | | 7/9-17=11 | | 4x-6=3+3x | | 60/100=x/15 | | 2(1+1)2+3-1=15 | | 70/100=x/15 | | -6x+2=-4-3x | | 9=-7v+4(v+6) | | 7(3s+6)=294 | | 8(3t+2)=4 | | 5y=(4y-9)+40 | | 9x+3x+24=180 | | X/6=-15/2 | | 1-8/2x=10/4 | | 8x+4=3(x-2)+7 | | 6-7x-3x=66 | | n-2=22 | | y=-1.5x+18 | | x=36/11^2 | | (q-9)*6=54 | | -7(3y+8)-6y=4 | | (3i)(3i)=[1] | | -8+6x=50 | | 4y-(y-17)=4y |

Equations solver categories