(x+5)(3x-2)=14

Simple and best practice solution for (x+5)(3x-2)=14 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 (x+5)(3x-2)=14 equation:


Simplifying
(x + 5)(3x + -2) = 14

Reorder the terms:
(5 + x)(3x + -2) = 14

Reorder the terms:
(5 + x)(-2 + 3x) = 14

Multiply (5 + x) * (-2 + 3x)
(5(-2 + 3x) + x(-2 + 3x)) = 14
((-2 * 5 + 3x * 5) + x(-2 + 3x)) = 14
((-10 + 15x) + x(-2 + 3x)) = 14
(-10 + 15x + (-2 * x + 3x * x)) = 14
(-10 + 15x + (-2x + 3x2)) = 14

Combine like terms: 15x + -2x = 13x
(-10 + 13x + 3x2) = 14

Solving
-10 + 13x + 3x2 = 14

Solving for variable 'x'.

Reorder the terms:
-10 + -14 + 13x + 3x2 = 14 + -14

Combine like terms: -10 + -14 = -24
-24 + 13x + 3x2 = 14 + -14

Combine like terms: 14 + -14 = 0
-24 + 13x + 3x2 = 0

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

Divide each side by '3'.
-8 + 4.333333333x + x2 = 0

Move the constant term to the right:

Add '8' to each side of the equation.
-8 + 4.333333333x + 8 + x2 = 0 + 8

Reorder the terms:
-8 + 8 + 4.333333333x + x2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 4.333333333x + x2 = 0 + 8
4.333333333x + x2 = 0 + 8

Combine like terms: 0 + 8 = 8
4.333333333x + x2 = 8

The x term is 4.333333333x.  Take half its coefficient (2.166666667).
Square it (4.694444446) and add it to both sides.

Add '4.694444446' to each side of the equation.
4.333333333x + 4.694444446 + x2 = 8 + 4.694444446

Reorder the terms:
4.694444446 + 4.333333333x + x2 = 8 + 4.694444446

Combine like terms: 8 + 4.694444446 = 12.694444446
4.694444446 + 4.333333333x + x2 = 12.694444446

Factor a perfect square on the left side:
(x + 2.166666667)(x + 2.166666667) = 12.694444446

Calculate the square root of the right side: 3.562926388

Break this problem into two subproblems by setting 
(x + 2.166666667) equal to 3.562926388 and -3.562926388.

Subproblem 1

x + 2.166666667 = 3.562926388 Simplifying x + 2.166666667 = 3.562926388 Reorder the terms: 2.166666667 + x = 3.562926388 Solving 2.166666667 + x = 3.562926388 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.166666667' to each side of the equation. 2.166666667 + -2.166666667 + x = 3.562926388 + -2.166666667 Combine like terms: 2.166666667 + -2.166666667 = 0.000000000 0.000000000 + x = 3.562926388 + -2.166666667 x = 3.562926388 + -2.166666667 Combine like terms: 3.562926388 + -2.166666667 = 1.396259721 x = 1.396259721 Simplifying x = 1.396259721

Subproblem 2

x + 2.166666667 = -3.562926388 Simplifying x + 2.166666667 = -3.562926388 Reorder the terms: 2.166666667 + x = -3.562926388 Solving 2.166666667 + x = -3.562926388 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.166666667' to each side of the equation. 2.166666667 + -2.166666667 + x = -3.562926388 + -2.166666667 Combine like terms: 2.166666667 + -2.166666667 = 0.000000000 0.000000000 + x = -3.562926388 + -2.166666667 x = -3.562926388 + -2.166666667 Combine like terms: -3.562926388 + -2.166666667 = -5.729593055 x = -5.729593055 Simplifying x = -5.729593055

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.396259721, -5.729593055}

See similar equations:

| 2.5c-10=85 | | -5(5y-7)+2(3y+8)= | | x+x+x+2x+1=11 | | -4(2-3w)= | | 3x-4=3.5 | | 19y^2=3y-14y^3 | | g(2g+3)-g(g+3)= | | -0.10(58)+0.45x=0.5(x-4) | | 3x-4=-15 | | 45z+100=10 | | ln(x)+ln(x+8)=1 | | 2x^3=2x(7x-12) | | 3x-4=21 | | 5z+7z=22 | | 6x^2-18x-18=6 | | 3(2y-4)= | | 5x+4y=1 | | 8x+8ab=9x-9ab | | 16x^3-9x=0 | | 18xy-24x^2=0 | | 2m-4=-1 | | 40+9x-2=20x+5 | | 48r^3-30r^2=0 | | 13.9=2.5 | | A+A-30+3A=170 | | 15x+5+22x+4=120 | | x=-5+-2y | | 7-4x+2x=9+3x+8 | | (y-7)-(y+3)=9y | | -14x-20=-12x+110 | | x=-2y-5 | | 5-6x=-31 |

Equations solver categories