(w-1)(3w+2)=4

Simple and best practice solution for (w-1)(3w+2)=4 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 (w-1)(3w+2)=4 equation:


Simplifying
(w + -1)(3w + 2) = 4

Reorder the terms:
(-1 + w)(3w + 2) = 4

Reorder the terms:
(-1 + w)(2 + 3w) = 4

Multiply (-1 + w) * (2 + 3w)
(-1(2 + 3w) + w(2 + 3w)) = 4
((2 * -1 + 3w * -1) + w(2 + 3w)) = 4
((-2 + -3w) + w(2 + 3w)) = 4
(-2 + -3w + (2 * w + 3w * w)) = 4
(-2 + -3w + (2w + 3w2)) = 4

Combine like terms: -3w + 2w = -1w
(-2 + -1w + 3w2) = 4

Solving
-2 + -1w + 3w2 = 4

Solving for variable 'w'.

Reorder the terms:
-2 + -4 + -1w + 3w2 = 4 + -4

Combine like terms: -2 + -4 = -6
-6 + -1w + 3w2 = 4 + -4

Combine like terms: 4 + -4 = 0
-6 + -1w + 3w2 = 0

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

Divide each side by '3'.
-2 + -0.3333333333w + w2 = 0

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + -0.3333333333w + 2 + w2 = 0 + 2

Reorder the terms:
-2 + 2 + -0.3333333333w + w2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -0.3333333333w + w2 = 0 + 2
-0.3333333333w + w2 = 0 + 2

Combine like terms: 0 + 2 = 2
-0.3333333333w + w2 = 2

The w term is -0.3333333333w.  Take half its coefficient (-0.1666666667).
Square it (0.02777777779) and add it to both sides.

Add '0.02777777779' to each side of the equation.
-0.3333333333w + 0.02777777779 + w2 = 2 + 0.02777777779

Reorder the terms:
0.02777777779 + -0.3333333333w + w2 = 2 + 0.02777777779

Combine like terms: 2 + 0.02777777779 = 2.02777777779
0.02777777779 + -0.3333333333w + w2 = 2.02777777779

Factor a perfect square on the left side:
(w + -0.1666666667)(w + -0.1666666667) = 2.02777777779

Calculate the square root of the right side: 1.424000624

Break this problem into two subproblems by setting 
(w + -0.1666666667) equal to 1.424000624 and -1.424000624.

Subproblem 1

w + -0.1666666667 = 1.424000624 Simplifying w + -0.1666666667 = 1.424000624 Reorder the terms: -0.1666666667 + w = 1.424000624 Solving -0.1666666667 + w = 1.424000624 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + w = 1.424000624 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + w = 1.424000624 + 0.1666666667 w = 1.424000624 + 0.1666666667 Combine like terms: 1.424000624 + 0.1666666667 = 1.5906672907 w = 1.5906672907 Simplifying w = 1.5906672907

Subproblem 2

w + -0.1666666667 = -1.424000624 Simplifying w + -0.1666666667 = -1.424000624 Reorder the terms: -0.1666666667 + w = -1.424000624 Solving -0.1666666667 + w = -1.424000624 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + w = -1.424000624 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + w = -1.424000624 + 0.1666666667 w = -1.424000624 + 0.1666666667 Combine like terms: -1.424000624 + 0.1666666667 = -1.2573339573 w = -1.2573339573 Simplifying w = -1.2573339573

Solution

The solution to the problem is based on the solutions from the subproblems. w = {1.5906672907, -1.2573339573}

See similar equations:

| 1n+2=-14-n | | 7(6x+2)=7(3x+5) | | (3c^2-8c+5)+(c^2-8c-6)=0 | | 9(8+n)=108 | | y^2-4y+28=0 | | x^2-4y+28=0 | | 5(8+n)=55 | | 56/k=8 | | 6x^2+12x-21= | | 4xsquared+16x+12= | | 4m^2+17-22= | | y-10=34 | | ln(x^2)-ln(x)-ln(3)=0 | | 14m^2-17-22= | | 4x^2-10x=-10 | | 14m^2-17-22= | | -5(8+-2.5)-2y=2 | | x+17*12*2=70 | | v=yrj | | 5=-0,333y+0,333 | | x+17*12=70 | | 3(x+7)=51 | | x+5+2(x+3)=20 | | 5=-0,333y-0,333 | | 10x+3=7x+30 | | 14x+2-7x=15 | | -5/20 | | 9x+3+4x+5=11x-20 | | 2(x+2)=(x+5) | | 20*5x=200 | | 17*2x=136 | | -3=-w |

Equations solver categories