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

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


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

Reorder the terms:
4 + -2x(1 + 3x) = 3x + 2
4 + (1 * -2x + 3x * -2x) = 3x + 2
4 + (-2x + -6x2) = 3x + 2

Reorder the terms:
4 + -2x + -6x2 = 2 + 3x

Solving
4 + -2x + -6x2 = 2 + 3x

Solving for variable 'x'.

Reorder the terms:
4 + -2 + -2x + -3x + -6x2 = 2 + 3x + -2 + -3x

Combine like terms: 4 + -2 = 2
2 + -2x + -3x + -6x2 = 2 + 3x + -2 + -3x

Combine like terms: -2x + -3x = -5x
2 + -5x + -6x2 = 2 + 3x + -2 + -3x

Reorder the terms:
2 + -5x + -6x2 = 2 + -2 + 3x + -3x

Combine like terms: 2 + -2 = 0
2 + -5x + -6x2 = 0 + 3x + -3x
2 + -5x + -6x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
2 + -5x + -6x2 = 0

Begin completing the square.  Divide all terms by
-6 the coefficient of the squared term: 

Divide each side by '-6'.
-0.3333333333 + 0.8333333333x + x2 = 0

Move the constant term to the right:

Add '0.3333333333' to each side of the equation.
-0.3333333333 + 0.8333333333x + 0.3333333333 + x2 = 0 + 0.3333333333

Reorder the terms:
-0.3333333333 + 0.3333333333 + 0.8333333333x + x2 = 0 + 0.3333333333

Combine like terms: -0.3333333333 + 0.3333333333 = 0.0000000000
0.0000000000 + 0.8333333333x + x2 = 0 + 0.3333333333
0.8333333333x + x2 = 0 + 0.3333333333

Combine like terms: 0 + 0.3333333333 = 0.3333333333
0.8333333333x + x2 = 0.3333333333

The x term is 0.8333333333x.  Take half its coefficient (0.4166666667).
Square it (0.1736111111) and add it to both sides.

Add '0.1736111111' to each side of the equation.
0.8333333333x + 0.1736111111 + x2 = 0.3333333333 + 0.1736111111

Reorder the terms:
0.1736111111 + 0.8333333333x + x2 = 0.3333333333 + 0.1736111111

Combine like terms: 0.3333333333 + 0.1736111111 = 0.5069444444
0.1736111111 + 0.8333333333x + x2 = 0.5069444444

Factor a perfect square on the left side:
(x + 0.4166666667)(x + 0.4166666667) = 0.5069444444

Calculate the square root of the right side: 0.712000312

Break this problem into two subproblems by setting 
(x + 0.4166666667) equal to 0.712000312 and -0.712000312.

Subproblem 1

x + 0.4166666667 = 0.712000312 Simplifying x + 0.4166666667 = 0.712000312 Reorder the terms: 0.4166666667 + x = 0.712000312 Solving 0.4166666667 + x = 0.712000312 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4166666667' to each side of the equation. 0.4166666667 + -0.4166666667 + x = 0.712000312 + -0.4166666667 Combine like terms: 0.4166666667 + -0.4166666667 = 0.0000000000 0.0000000000 + x = 0.712000312 + -0.4166666667 x = 0.712000312 + -0.4166666667 Combine like terms: 0.712000312 + -0.4166666667 = 0.2953336453 x = 0.2953336453 Simplifying x = 0.2953336453

Subproblem 2

x + 0.4166666667 = -0.712000312 Simplifying x + 0.4166666667 = -0.712000312 Reorder the terms: 0.4166666667 + x = -0.712000312 Solving 0.4166666667 + x = -0.712000312 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4166666667' to each side of the equation. 0.4166666667 + -0.4166666667 + x = -0.712000312 + -0.4166666667 Combine like terms: 0.4166666667 + -0.4166666667 = 0.0000000000 0.0000000000 + x = -0.712000312 + -0.4166666667 x = -0.712000312 + -0.4166666667 Combine like terms: -0.712000312 + -0.4166666667 = -1.1286669787 x = -1.1286669787 Simplifying x = -1.1286669787

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.2953336453, -1.1286669787}

See similar equations:

| 4p+7=2p+3 | | (9x^2)=1 | | 14-x=39 | | 5x+(10)(2x)=250 | | 7g-9=3+3g | | x^2+12x+k=0 | | 9x+5y=43 | | (z/3)+(3/4)z=(9/2)(z-1) | | 2x-(x+4)=19 | | (2y-3)/4=(6y+7)/3 | | B^2+b+11=0 | | 400=2y+y | | 18h=66 | | sgrt(8*n+1)=3 | | 10h+8=66 | | 6xy+5y-x=0 | | k-4(3+k)=3 | | 1-2x+5=4x-1 | | 6x^2y^2+5y^2-x^2=0 | | 1-2x+5=-1 | | 3-2(w-6)=3w | | 2(3-w)+5w-7=0 | | H(x)=2(4)2+3 | | (x+y)+(x-y)j=5+3j | | 6/2(x-1)=-7(x+1) | | 5-(-3x+4)=2x+6 | | 5+(3x+4)=-1x+13 | | 5m-3=7-(2-m) | | -9=11 | | 3(2k-3)-(2-3k)=1 | | 7-2(u+3)=5 | | 3p-2=-4(p-3) |

Equations solver categories