90+(11x)(6x+5)=180

Simple and best practice solution for 90+(11x)(6x+5)=180 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 90+(11x)(6x+5)=180 equation:


Simplifying
90 + (11x)(6x + 5) = 180

Remove parenthesis around (11x)
90 + 11x(6x + 5) = 180

Reorder the terms:
90 + 11x(5 + 6x) = 180
90 + (5 * 11x + 6x * 11x) = 180
90 + (55x + 66x2) = 180

Solving
90 + 55x + 66x2 = 180

Solving for variable 'x'.

Reorder the terms:
90 + -180 + 55x + 66x2 = 180 + -180

Combine like terms: 90 + -180 = -90
-90 + 55x + 66x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-90 + 55x + 66x2 = 0

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

Divide each side by '66'.
-1.363636364 + 0.8333333333x + x2 = 0

Move the constant term to the right:

Add '1.363636364' to each side of the equation.
-1.363636364 + 0.8333333333x + 1.363636364 + x2 = 0 + 1.363636364

Reorder the terms:
-1.363636364 + 1.363636364 + 0.8333333333x + x2 = 0 + 1.363636364

Combine like terms: -1.363636364 + 1.363636364 = 0.000000000
0.000000000 + 0.8333333333x + x2 = 0 + 1.363636364
0.8333333333x + x2 = 0 + 1.363636364

Combine like terms: 0 + 1.363636364 = 1.363636364
0.8333333333x + x2 = 1.363636364

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 = 1.363636364 + 0.1736111111

Reorder the terms:
0.1736111111 + 0.8333333333x + x2 = 1.363636364 + 0.1736111111

Combine like terms: 1.363636364 + 0.1736111111 = 1.5372474751
0.1736111111 + 0.8333333333x + x2 = 1.5372474751

Factor a perfect square on the left side:
(x + 0.4166666667)(x + 0.4166666667) = 1.5372474751

Calculate the square root of the right side: 1.239857845

Break this problem into two subproblems by setting 
(x + 0.4166666667) equal to 1.239857845 and -1.239857845.

Subproblem 1

x + 0.4166666667 = 1.239857845 Simplifying x + 0.4166666667 = 1.239857845 Reorder the terms: 0.4166666667 + x = 1.239857845 Solving 0.4166666667 + x = 1.239857845 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 = 1.239857845 + -0.4166666667 Combine like terms: 0.4166666667 + -0.4166666667 = 0.0000000000 0.0000000000 + x = 1.239857845 + -0.4166666667 x = 1.239857845 + -0.4166666667 Combine like terms: 1.239857845 + -0.4166666667 = 0.8231911783 x = 0.8231911783 Simplifying x = 0.8231911783

Subproblem 2

x + 0.4166666667 = -1.239857845 Simplifying x + 0.4166666667 = -1.239857845 Reorder the terms: 0.4166666667 + x = -1.239857845 Solving 0.4166666667 + x = -1.239857845 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 = -1.239857845 + -0.4166666667 Combine like terms: 0.4166666667 + -0.4166666667 = 0.0000000000 0.0000000000 + x = -1.239857845 + -0.4166666667 x = -1.239857845 + -0.4166666667 Combine like terms: -1.239857845 + -0.4166666667 = -1.6565245117 x = -1.6565245117 Simplifying x = -1.6565245117

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.8231911783, -1.6565245117}

See similar equations:

| 5(x-6)+x= | | 2tan(x/2) | | 18(2x+9)=6(3x+39) | | 7(10-5x)=-280 | | 13.99(x-12.00)=100000 | | 4.6x-5.1+7x=7.6x-24.3 | | 3T+2C=240 | | 4x+3-6x=17-2x | | 9(8-5x)=-288 | | 7(x-5)+8x=-13+4x | | (n+17)+(n+23)=50 | | 18x^3-18x^2+4x-40=0 | | 60/100=x/35 | | 100X=75X+500 | | 3x+2x+3=146 | | 10x+9=9x+21 | | Z^(5/3)=32 | | x-1/2=-4 | | 14=-7v | | 4a+28=29a-72 | | 40=50x | | Z^5/3=32 | | 3xw=6 | | 10-3x^3/4=-26 | | 3x-1+2x-5=4x+3 | | 9w=4410 | | 3a+2b=142 | | 2k-22=5k-67 | | 1/3=2x-5 | | 14h+7=3h+73 | | 2(12-2x)=12 | | 9d-25=7d+5 |

Equations solver categories