-3z^2-4z+3=0

Simple and best practice solution for -3z^2-4z+3=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 -3z^2-4z+3=0 equation:


Simplifying
-3z2 + -4z + 3 = 0

Reorder the terms:
3 + -4z + -3z2 = 0

Solving
3 + -4z + -3z2 = 0

Solving for variable 'z'.

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
-1 + 1.333333333z + z2 = 0

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + 1.333333333z + 1 + z2 = 0 + 1

Reorder the terms:
-1 + 1 + 1.333333333z + z2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 1.333333333z + z2 = 0 + 1
1.333333333z + z2 = 0 + 1

Combine like terms: 0 + 1 = 1
1.333333333z + z2 = 1

The z term is 1.333333333z.  Take half its coefficient (0.6666666665).
Square it (0.4444444442) and add it to both sides.

Add '0.4444444442' to each side of the equation.
1.333333333z + 0.4444444442 + z2 = 1 + 0.4444444442

Reorder the terms:
0.4444444442 + 1.333333333z + z2 = 1 + 0.4444444442

Combine like terms: 1 + 0.4444444442 = 1.4444444442
0.4444444442 + 1.333333333z + z2 = 1.4444444442

Factor a perfect square on the left side:
(z + 0.6666666665)(z + 0.6666666665) = 1.4444444442

Calculate the square root of the right side: 1.201850425

Break this problem into two subproblems by setting 
(z + 0.6666666665) equal to 1.201850425 and -1.201850425.

Subproblem 1

z + 0.6666666665 = 1.201850425 Simplifying z + 0.6666666665 = 1.201850425 Reorder the terms: 0.6666666665 + z = 1.201850425 Solving 0.6666666665 + z = 1.201850425 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-0.6666666665' to each side of the equation. 0.6666666665 + -0.6666666665 + z = 1.201850425 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + z = 1.201850425 + -0.6666666665 z = 1.201850425 + -0.6666666665 Combine like terms: 1.201850425 + -0.6666666665 = 0.5351837585 z = 0.5351837585 Simplifying z = 0.5351837585

Subproblem 2

z + 0.6666666665 = -1.201850425 Simplifying z + 0.6666666665 = -1.201850425 Reorder the terms: 0.6666666665 + z = -1.201850425 Solving 0.6666666665 + z = -1.201850425 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-0.6666666665' to each side of the equation. 0.6666666665 + -0.6666666665 + z = -1.201850425 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + z = -1.201850425 + -0.6666666665 z = -1.201850425 + -0.6666666665 Combine like terms: -1.201850425 + -0.6666666665 = -1.8685170915 z = -1.8685170915 Simplifying z = -1.8685170915

Solution

The solution to the problem is based on the solutions from the subproblems. z = {0.5351837585, -1.8685170915}

See similar equations:

| -(r+2)=26-5r | | 47-3x=8x+24 | | 3-4x=8x-8 | | -19+p=-4(1-4p) | | x^4+2x^3-7x^2+2x+8=0 | | 8-3x=3x-5 | | -5r=1+2r | | 2t^2-5t+6=0 | | 7-9x=4x-2 | | 5n-3(3-4n)=39+n | | 14-2x=28 | | 4x-1=13x-32 | | X^2-10+3x=180 | | -3=4-x|5 | | 2x-2=6x-2 | | 4X+12=6x+18 | | y=(-8,-4,3) | | 3u^2=4u+15 | | 4x+5=8-6x | | 4x+3=18X+6 | | |2x-8|=4 | | 5(a+6)-7a=0 | | 16X+8=20X+25 | | -8x-4=-4x+16 | | 12x+16=5x+30 | | x+14=-2x+26 | | x^3-11x^2-20x=0 | | 5x+1=3x+8 | | x+-4=-8 | | -7x-16=-3x-12 | | 5x-11=-2x+31 | | 8x+13=11x-23 |

Equations solver categories