0.33x^2+0.71x-0.14=0

Simple and best practice solution for 0.33x^2+0.71x-0.14=0 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 0.33x^2+0.71x-0.14=0 equation:


Simplifying
0.33x2 + 0.71x + -0.14 = 0

Reorder the terms:
-0.14 + 0.71x + 0.33x2 = 0

Solving
-0.14 + 0.71x + 0.33x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.33'.
-0.4242424242 + 2.151515152x + x2 = 0

Move the constant term to the right:

Add '0.4242424242' to each side of the equation.
-0.4242424242 + 2.151515152x + 0.4242424242 + x2 = 0 + 0.4242424242

Reorder the terms:
-0.4242424242 + 0.4242424242 + 2.151515152x + x2 = 0 + 0.4242424242

Combine like terms: -0.4242424242 + 0.4242424242 = 0.0000000000
0.0000000000 + 2.151515152x + x2 = 0 + 0.4242424242
2.151515152x + x2 = 0 + 0.4242424242

Combine like terms: 0 + 0.4242424242 = 0.4242424242
2.151515152x + x2 = 0.4242424242

The x term is 2.151515152x.  Take half its coefficient (1.075757576).
Square it (1.157254362) and add it to both sides.

Add '1.157254362' to each side of the equation.
2.151515152x + 1.157254362 + x2 = 0.4242424242 + 1.157254362

Reorder the terms:
1.157254362 + 2.151515152x + x2 = 0.4242424242 + 1.157254362

Combine like terms: 0.4242424242 + 1.157254362 = 1.5814967862
1.157254362 + 2.151515152x + x2 = 1.5814967862

Factor a perfect square on the left side:
(x + 1.075757576)(x + 1.075757576) = 1.5814967862

Calculate the square root of the right side: 1.257575758

Break this problem into two subproblems by setting 
(x + 1.075757576) equal to 1.257575758 and -1.257575758.

Subproblem 1

x + 1.075757576 = 1.257575758 Simplifying x + 1.075757576 = 1.257575758 Reorder the terms: 1.075757576 + x = 1.257575758 Solving 1.075757576 + x = 1.257575758 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.075757576' to each side of the equation. 1.075757576 + -1.075757576 + x = 1.257575758 + -1.075757576 Combine like terms: 1.075757576 + -1.075757576 = 0.000000000 0.000000000 + x = 1.257575758 + -1.075757576 x = 1.257575758 + -1.075757576 Combine like terms: 1.257575758 + -1.075757576 = 0.181818182 x = 0.181818182 Simplifying x = 0.181818182

Subproblem 2

x + 1.075757576 = -1.257575758 Simplifying x + 1.075757576 = -1.257575758 Reorder the terms: 1.075757576 + x = -1.257575758 Solving 1.075757576 + x = -1.257575758 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.075757576' to each side of the equation. 1.075757576 + -1.075757576 + x = -1.257575758 + -1.075757576 Combine like terms: 1.075757576 + -1.075757576 = 0.000000000 0.000000000 + x = -1.257575758 + -1.075757576 x = -1.257575758 + -1.075757576 Combine like terms: -1.257575758 + -1.075757576 = -2.333333334 x = -2.333333334 Simplifying x = -2.333333334

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.181818182, -2.333333334}

See similar equations:

| (1-5x-x^2)(2x-1)= | | 10=3(4x-6) | | 24.4=3x+0.4 | | (x^2-x+1)(-5-2x)= | | 6n+15=3n+21 | | 6(n+1)=3(n+9) | | 5x-y-7=0 | | 5(n+3)=2(2n+11) | | 4(n+2)=2(3n+2) | | 2x^2-8+8=0 | | 3(n+7)=6(n+2) | | 3(2n+5)=3(3n+7) | | 7(n+4)=2(3n+17) | | .75(x-2)-.8=x | | x^4=234 | | X^2(x-3)+20=0 | | -16t^2+104t+560= | | 7(1.5y-0.625)-y=-0.25 | | 3x^2=48-10x | | 2x-6(x-1)=2x-3 | | 3x-5y=44x-2y=7 | | 15m+4m=32 | | 15x+20y=110 | | L=35+28 | | x(x+2y)dy+(x^2-y^2)dx=0 | | 2x+log(x)=8 | | 2x+logx=8 | | (2x+2)2=0 | | -3(x+8)-4=34-2x | | 9y+3y=5y+13 | | 8(k-5)=2k+2 | | 36z^4-13z^2+1=0 |

Equations solver categories