(2x+3)*(3x-1)=11x+30

Simple and best practice solution for (2x+3)*(3x-1)=11x+30 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 (2x+3)*(3x-1)=11x+30 equation:


Simplifying
(2x + 3)(3x + -1) = 11x + 30

Reorder the terms:
(3 + 2x)(3x + -1) = 11x + 30

Reorder the terms:
(3 + 2x)(-1 + 3x) = 11x + 30

Multiply (3 + 2x) * (-1 + 3x)
(3(-1 + 3x) + 2x * (-1 + 3x)) = 11x + 30
((-1 * 3 + 3x * 3) + 2x * (-1 + 3x)) = 11x + 30
((-3 + 9x) + 2x * (-1 + 3x)) = 11x + 30
(-3 + 9x + (-1 * 2x + 3x * 2x)) = 11x + 30
(-3 + 9x + (-2x + 6x2)) = 11x + 30

Combine like terms: 9x + -2x = 7x
(-3 + 7x + 6x2) = 11x + 30

Reorder the terms:
-3 + 7x + 6x2 = 30 + 11x

Solving
-3 + 7x + 6x2 = 30 + 11x

Solving for variable 'x'.

Reorder the terms:
-3 + -30 + 7x + -11x + 6x2 = 30 + 11x + -30 + -11x

Combine like terms: -3 + -30 = -33
-33 + 7x + -11x + 6x2 = 30 + 11x + -30 + -11x

Combine like terms: 7x + -11x = -4x
-33 + -4x + 6x2 = 30 + 11x + -30 + -11x

Reorder the terms:
-33 + -4x + 6x2 = 30 + -30 + 11x + -11x

Combine like terms: 30 + -30 = 0
-33 + -4x + 6x2 = 0 + 11x + -11x
-33 + -4x + 6x2 = 11x + -11x

Combine like terms: 11x + -11x = 0
-33 + -4x + 6x2 = 0

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

Divide each side by '6'.
-5.5 + -0.6666666667x + x2 = 0

Move the constant term to the right:

Add '5.5' to each side of the equation.
-5.5 + -0.6666666667x + 5.5 + x2 = 0 + 5.5

Reorder the terms:
-5.5 + 5.5 + -0.6666666667x + x2 = 0 + 5.5

Combine like terms: -5.5 + 5.5 = 0.0
0.0 + -0.6666666667x + x2 = 0 + 5.5
-0.6666666667x + x2 = 0 + 5.5

Combine like terms: 0 + 5.5 = 5.5
-0.6666666667x + x2 = 5.5

The x term is -0.6666666667x.  Take half its coefficient (-0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
-0.6666666667x + 0.1111111112 + x2 = 5.5 + 0.1111111112

Reorder the terms:
0.1111111112 + -0.6666666667x + x2 = 5.5 + 0.1111111112

Combine like terms: 5.5 + 0.1111111112 = 5.6111111112
0.1111111112 + -0.6666666667x + x2 = 5.6111111112

Factor a perfect square on the left side:
(x + -0.3333333334)(x + -0.3333333334) = 5.6111111112

Calculate the square root of the right side: 2.368778401

Break this problem into two subproblems by setting 
(x + -0.3333333334) equal to 2.368778401 and -2.368778401.

Subproblem 1

x + -0.3333333334 = 2.368778401 Simplifying x + -0.3333333334 = 2.368778401 Reorder the terms: -0.3333333334 + x = 2.368778401 Solving -0.3333333334 + x = 2.368778401 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = 2.368778401 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = 2.368778401 + 0.3333333334 x = 2.368778401 + 0.3333333334 Combine like terms: 2.368778401 + 0.3333333334 = 2.7021117344 x = 2.7021117344 Simplifying x = 2.7021117344

Subproblem 2

x + -0.3333333334 = -2.368778401 Simplifying x + -0.3333333334 = -2.368778401 Reorder the terms: -0.3333333334 + x = -2.368778401 Solving -0.3333333334 + x = -2.368778401 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = -2.368778401 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = -2.368778401 + 0.3333333334 x = -2.368778401 + 0.3333333334 Combine like terms: -2.368778401 + 0.3333333334 = -2.0354450676 x = -2.0354450676 Simplifying x = -2.0354450676

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.7021117344, -2.0354450676}

See similar equations:

| 3y-6=-33 | | 3x^2+10x=7 | | -3(x+7)=-21 | | 4y-5=16y+31 | | 3x+2+-5x=2x-7 | | Tan22=10/x | | 3u+6u=64 | | 89-24x+23=111 | | (2h+1)+(2h+10)= | | 12c=6(4c+16)+12 | | 3(5-2X)=3(5-X) | | 89-24x+23=-111 | | -0.4x^2+3x+0.5=0 | | 6n-16n=80 | | (4/3)*(4/3) | | (a-2b+3a-b)-(5a-7b)= | | p=1250-0.3q | | p=900+2q | | 2log(2x+6)=5 | | 6b+-2b= | | w(3x+7x+10)=0 | | x^2-y^2+2yz-z^2= | | 11x-3x=32 | | 3a-2a+a= | | 45(3/9) | | 3y+(-6y)+6=-24 | | -x^2+10x=10 | | (x^2)+6x+4y-3=0 | | 4(cot(x))+5=9 | | n=1388-126i | | x/4-7=1 | | 5m^2+12m+3=0 |

Equations solver categories