2x^2-4x=34

Simple and best practice solution for 2x^2-4x=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 2x^2-4x=34 equation:


Simplifying
2x2 + -4x = 34

Reorder the terms:
-4x + 2x2 = 34

Solving
-4x + 2x2 = 34

Solving for variable 'x'.

Reorder the terms:
-34 + -4x + 2x2 = 34 + -34

Combine like terms: 34 + -34 = 0
-34 + -4x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-17 + -2x + x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-17 + -2x + x2)' equal to zero and attempt to solve: Simplifying -17 + -2x + x2 = 0 Solving -17 + -2x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '17' to each side of the equation. -17 + -2x + 17 + x2 = 0 + 17 Reorder the terms: -17 + 17 + -2x + x2 = 0 + 17 Combine like terms: -17 + 17 = 0 0 + -2x + x2 = 0 + 17 -2x + x2 = 0 + 17 Combine like terms: 0 + 17 = 17 -2x + x2 = 17 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 = 17 + 1 Reorder the terms: 1 + -2x + x2 = 17 + 1 Combine like terms: 17 + 1 = 18 1 + -2x + x2 = 18 Factor a perfect square on the left side: (x + -1)(x + -1) = 18 Calculate the square root of the right side: 4.242640687 Break this problem into two subproblems by setting (x + -1) equal to 4.242640687 and -4.242640687.

Subproblem 1

x + -1 = 4.242640687 Simplifying x + -1 = 4.242640687 Reorder the terms: -1 + x = 4.242640687 Solving -1 + x = 4.242640687 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 = 4.242640687 + 1 Combine like terms: -1 + 1 = 0 0 + x = 4.242640687 + 1 x = 4.242640687 + 1 Combine like terms: 4.242640687 + 1 = 5.242640687 x = 5.242640687 Simplifying x = 5.242640687

Subproblem 2

x + -1 = -4.242640687 Simplifying x + -1 = -4.242640687 Reorder the terms: -1 + x = -4.242640687 Solving -1 + x = -4.242640687 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 = -4.242640687 + 1 Combine like terms: -1 + 1 = 0 0 + x = -4.242640687 + 1 x = -4.242640687 + 1 Combine like terms: -4.242640687 + 1 = -3.242640687 x = -3.242640687 Simplifying x = -3.242640687

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.242640687, -3.242640687}

Solution

x = {5.242640687, -3.242640687}

See similar equations:

| h/5=7 | | (6*10000000)-x=(8*10000000) | | S=T+C+M | | (-4.8y+20.1)= | | y+(-3)=13 | | 3.2=k-1.09 | | .3x+150=x | | 2x+(2x-8)=104 | | 2x-5=x^2-6 | | y=cos(c^3+x^3) | | 3=p/8 | | f(x)=2*(sin*(2*x)) | | lx+6l=2x | | -0.3x^2+0.1x=-0.04 | | 504=9j | | u-4=7 | | 45=y-12 | | 71.57=C+36.92 | | ln*x+ln*(x+1)=ln*2 | | 4/5=6x | | (5x-4)(5x-4)(5x-4)=64 | | 12x^2-24-15=0 | | 3x+20=4x+6 | | 2*e^4*x=20 | | y=-.5x-6 | | 3n^2-20+12=0 | | 6x^2-10x-19=0 | | 2(x-9)=3(x-7) | | 4s=8/9 | | y=2.3x-8.4 | | 61-10x=21-15x | | -16Xsquared+72+88=0 |

Equations solver categories