2x^2-4x+3=2

Simple and best practice solution for 2x^2-4x+3=2 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+3=2 equation:


Simplifying
2x2 + -4x + 3 = 2

Reorder the terms:
3 + -4x + 2x2 = 2

Solving
3 + -4x + 2x2 = 2

Solving for variable 'x'.

Reorder the terms:
3 + -2 + -4x + 2x2 = 2 + -2

Combine like terms: 3 + -2 = 1
1 + -4x + 2x2 = 2 + -2

Combine like terms: 2 + -2 = 0
1 + -4x + 2x2 = 0

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

Divide each side by '2'.
0.5 + -2x + x2 = 0

Move the constant term to the right:

Add '-0.5' to each side of the equation.
0.5 + -2x + -0.5 + x2 = 0 + -0.5

Reorder the terms:
0.5 + -0.5 + -2x + x2 = 0 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + -2x + x2 = 0 + -0.5
-2x + x2 = 0 + -0.5

Combine like terms: 0 + -0.5 = -0.5
-2x + x2 = -0.5

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 = -0.5 + 1

Reorder the terms:
1 + -2x + x2 = -0.5 + 1

Combine like terms: -0.5 + 1 = 0.5
1 + -2x + x2 = 0.5

Factor a perfect square on the left side:
(x + -1)(x + -1) = 0.5

Calculate the square root of the right side: 0.707106781

Break this problem into two subproblems by setting 
(x + -1) equal to 0.707106781 and -0.707106781.

Subproblem 1

x + -1 = 0.707106781 Simplifying x + -1 = 0.707106781 Reorder the terms: -1 + x = 0.707106781 Solving -1 + x = 0.707106781 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 = 0.707106781 + 1 Combine like terms: -1 + 1 = 0 0 + x = 0.707106781 + 1 x = 0.707106781 + 1 Combine like terms: 0.707106781 + 1 = 1.707106781 x = 1.707106781 Simplifying x = 1.707106781

Subproblem 2

x + -1 = -0.707106781 Simplifying x + -1 = -0.707106781 Reorder the terms: -1 + x = -0.707106781 Solving -1 + x = -0.707106781 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 = -0.707106781 + 1 Combine like terms: -1 + 1 = 0 0 + x = -0.707106781 + 1 x = -0.707106781 + 1 Combine like terms: -0.707106781 + 1 = 0.292893219 x = 0.292893219 Simplifying x = 0.292893219

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.707106781, 0.292893219}

See similar equations:

| 0.1(x+100)1.1x=46 | | 2x(5+3)=32 | | 4(4x-7)-5=4(x-2)+47 | | 5t+1-2t+3=2+3t+2 | | 3m^2+16m+20=0 | | x+11=3x-7 | | 0.8w+0.84(7000-w)=0.3(8000) | | 9(3-5n)=9(-n+3) | | 2y-17x=14 | | 5x=1x+4 | | -9(3-5n)=9(-n+3) | | w+51=4(6-w)+5w-10 | | x^3/x^2-1 | | (X-3)(x-3)+y^2=49 | | -1/2r=-6 | | 8*b+4=4*b-4 | | 8b+3=4b-4 | | 4y+5+8y-5=180 | | 2x-10y=3 | | 3x-2=11x-83 | | 2x(x+18)-x(4x-2)= | | 3x-2=11x-83whatisx | | 0.35x+0.05(16-x)=0.10(-46) | | (x-2)(x-2)+y^2=49 | | X^2-2x+73=x+5 | | 0.8x-2.9=2.8x+1.5 | | 4y-y+2=0 | | [(t^2+3t-8)-(t^2-2t+6)](t-4)= | | 0.18(n-7)+9=0.44(2n-5) | | x+9=5-x | | 2x+1=6x-20 | | 9x+6+3x-24+5x+37=359 |

Equations solver categories