(x-11)(2x-7)=180

Simple and best practice solution for (x-11)(2x-7)=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 (x-11)(2x-7)=180 equation:


Simplifying
(x + -11)(2x + -7) = 180

Reorder the terms:
(-11 + x)(2x + -7) = 180

Reorder the terms:
(-11 + x)(-7 + 2x) = 180

Multiply (-11 + x) * (-7 + 2x)
(-11(-7 + 2x) + x(-7 + 2x)) = 180
((-7 * -11 + 2x * -11) + x(-7 + 2x)) = 180
((77 + -22x) + x(-7 + 2x)) = 180
(77 + -22x + (-7 * x + 2x * x)) = 180
(77 + -22x + (-7x + 2x2)) = 180

Combine like terms: -22x + -7x = -29x
(77 + -29x + 2x2) = 180

Solving
77 + -29x + 2x2 = 180

Solving for variable 'x'.

Reorder the terms:
77 + -180 + -29x + 2x2 = 180 + -180

Combine like terms: 77 + -180 = -103
-103 + -29x + 2x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-103 + -29x + 2x2 = 0

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

Divide each side by '2'.
-51.5 + -14.5x + x2 = 0

Move the constant term to the right:

Add '51.5' to each side of the equation.
-51.5 + -14.5x + 51.5 + x2 = 0 + 51.5

Reorder the terms:
-51.5 + 51.5 + -14.5x + x2 = 0 + 51.5

Combine like terms: -51.5 + 51.5 = 0.0
0.0 + -14.5x + x2 = 0 + 51.5
-14.5x + x2 = 0 + 51.5

Combine like terms: 0 + 51.5 = 51.5
-14.5x + x2 = 51.5

The x term is -14.5x.  Take half its coefficient (-7.25).
Square it (52.5625) and add it to both sides.

Add '52.5625' to each side of the equation.
-14.5x + 52.5625 + x2 = 51.5 + 52.5625

Reorder the terms:
52.5625 + -14.5x + x2 = 51.5 + 52.5625

Combine like terms: 51.5 + 52.5625 = 104.0625
52.5625 + -14.5x + x2 = 104.0625

Factor a perfect square on the left side:
(x + -7.25)(x + -7.25) = 104.0625

Calculate the square root of the right side: 10.201102882

Break this problem into two subproblems by setting 
(x + -7.25) equal to 10.201102882 and -10.201102882.

Subproblem 1

x + -7.25 = 10.201102882 Simplifying x + -7.25 = 10.201102882 Reorder the terms: -7.25 + x = 10.201102882 Solving -7.25 + x = 10.201102882 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7.25' to each side of the equation. -7.25 + 7.25 + x = 10.201102882 + 7.25 Combine like terms: -7.25 + 7.25 = 0.00 0.00 + x = 10.201102882 + 7.25 x = 10.201102882 + 7.25 Combine like terms: 10.201102882 + 7.25 = 17.451102882 x = 17.451102882 Simplifying x = 17.451102882

Subproblem 2

x + -7.25 = -10.201102882 Simplifying x + -7.25 = -10.201102882 Reorder the terms: -7.25 + x = -10.201102882 Solving -7.25 + x = -10.201102882 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7.25' to each side of the equation. -7.25 + 7.25 + x = -10.201102882 + 7.25 Combine like terms: -7.25 + 7.25 = 0.00 0.00 + x = -10.201102882 + 7.25 x = -10.201102882 + 7.25 Combine like terms: -10.201102882 + 7.25 = -2.951102882 x = -2.951102882 Simplifying x = -2.951102882

Solution

The solution to the problem is based on the solutions from the subproblems. x = {17.451102882, -2.951102882}

See similar equations:

| .70x+.30(140)=.35(68) | | 2x-6=150 | | 63x-45=6x-264 | | 4x-16=2(x+16) | | ln(2x^2+5)=ln(x^2+149) | | 1/8(X-40=7/8 | | 14x-8y=9 | | (2x-25)+(x+13)+(2x+17)=180 | | 378/5.4=n/3.1 | | 22x+0=9 | | 3(2x-1)-5x+8= | | 5/2=m/4 | | (x-11)+(2x-7)+45=180 | | 7x-2x+14=15+5x | | d-2/4=5/2 | | 4/3=n/9 | | 3/n=7/21 | | -14+26=-4(x+4) | | 7x-4=13+3x | | 16x+10y=14 | | 2.86X+25.74=51.48 | | 2x+3=b | | 8x-54=7x-38 | | K+2=k+8 | | x+69+(x-3)=180 | | 6.09X+49=37.0881+7X | | 3x-6x+19=58 | | 2(4x+3)+4=3x-(x+4) | | 3x-8=-7x+6 | | 100+7=77 | | 2(j-3)=17 | | f(x)=3ln(2x-1) |

Equations solver categories