(x+5)+(x+5)(4x-4)=180

Simple and best practice solution for (x+5)+(x+5)(4x-4)=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+5)+(x+5)(4x-4)=180 equation:


Simplifying
(x + 5) + (x + 5)(4x + -4) = 180

Reorder the terms:
(5 + x) + (x + 5)(4x + -4) = 180

Remove parenthesis around (5 + x)
5 + x + (x + 5)(4x + -4) = 180

Reorder the terms:
5 + x + (5 + x)(4x + -4) = 180

Reorder the terms:
5 + x + (5 + x)(-4 + 4x) = 180

Multiply (5 + x) * (-4 + 4x)
5 + x + (5(-4 + 4x) + x(-4 + 4x)) = 180
5 + x + ((-4 * 5 + 4x * 5) + x(-4 + 4x)) = 180
5 + x + ((-20 + 20x) + x(-4 + 4x)) = 180
5 + x + (-20 + 20x + (-4 * x + 4x * x)) = 180
5 + x + (-20 + 20x + (-4x + 4x2)) = 180

Combine like terms: 20x + -4x = 16x
5 + x + (-20 + 16x + 4x2) = 180

Reorder the terms:
5 + -20 + x + 16x + 4x2 = 180

Combine like terms: 5 + -20 = -15
-15 + x + 16x + 4x2 = 180

Combine like terms: x + 16x = 17x
-15 + 17x + 4x2 = 180

Solving
-15 + 17x + 4x2 = 180

Solving for variable 'x'.

Reorder the terms:
-15 + -180 + 17x + 4x2 = 180 + -180

Combine like terms: -15 + -180 = -195
-195 + 17x + 4x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-195 + 17x + 4x2 = 0

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

Divide each side by '4'.
-48.75 + 4.25x + x2 = 0

Move the constant term to the right:

Add '48.75' to each side of the equation.
-48.75 + 4.25x + 48.75 + x2 = 0 + 48.75

Reorder the terms:
-48.75 + 48.75 + 4.25x + x2 = 0 + 48.75

Combine like terms: -48.75 + 48.75 = 0.00
0.00 + 4.25x + x2 = 0 + 48.75
4.25x + x2 = 0 + 48.75

Combine like terms: 0 + 48.75 = 48.75
4.25x + x2 = 48.75

The x term is 4.25x.  Take half its coefficient (2.125).
Square it (4.515625) and add it to both sides.

Add '4.515625' to each side of the equation.
4.25x + 4.515625 + x2 = 48.75 + 4.515625

Reorder the terms:
4.515625 + 4.25x + x2 = 48.75 + 4.515625

Combine like terms: 48.75 + 4.515625 = 53.265625
4.515625 + 4.25x + x2 = 53.265625

Factor a perfect square on the left side:
(x + 2.125)(x + 2.125) = 53.265625

Calculate the square root of the right side: 7.298330288

Break this problem into two subproblems by setting 
(x + 2.125) equal to 7.298330288 and -7.298330288.

Subproblem 1

x + 2.125 = 7.298330288 Simplifying x + 2.125 = 7.298330288 Reorder the terms: 2.125 + x = 7.298330288 Solving 2.125 + x = 7.298330288 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.125' to each side of the equation. 2.125 + -2.125 + x = 7.298330288 + -2.125 Combine like terms: 2.125 + -2.125 = 0.000 0.000 + x = 7.298330288 + -2.125 x = 7.298330288 + -2.125 Combine like terms: 7.298330288 + -2.125 = 5.173330288 x = 5.173330288 Simplifying x = 5.173330288

Subproblem 2

x + 2.125 = -7.298330288 Simplifying x + 2.125 = -7.298330288 Reorder the terms: 2.125 + x = -7.298330288 Solving 2.125 + x = -7.298330288 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.125' to each side of the equation. 2.125 + -2.125 + x = -7.298330288 + -2.125 Combine like terms: 2.125 + -2.125 = 0.000 0.000 + x = -7.298330288 + -2.125 x = -7.298330288 + -2.125 Combine like terms: -7.298330288 + -2.125 = -9.423330288 x = -9.423330288 Simplifying x = -9.423330288

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.173330288, -9.423330288}

See similar equations:

| (X-.10x)-70=.35(70) | | y(2y-4)=1+2y | | (2x-1)(x-2)=5 | | (x+7)+(4x+3)+(5x)=180 | | y^2-6y-8=3x | | 7+6=a | | 3a+5x=12 | | 20x-7=5x+10 | | (x+-3)+(x+-3)+(3x+1)=180 | | (X-.15x)-85=.20(85) | | 4m(3m-5)-8=-11 | | 12t^2+8t-80=0 | | (x-3)+(x-3)+(3x+1)= | | 3x=x(2-4x) | | 5y-10=10y+5 | | 9.6-9y+6=2.4y-3.6+3y | | 3y-.5=1.4y+3.1 | | -10=y(6y-17)+2 | | 36x^2-39x-12=0 | | (4x-2)+(3x+6)= | | 3x+(-x^2+4)=0 | | ln(x)=51 | | 54+2=44-5 | | 7m-6=-4+8m | | P(x)=2x^4+30x^3-50x^2+36x+14 | | 328=2x+10 | | 4.25n=-46.75 | | 9w-72=5w | | 5c=520 | | 5(3+9)-12= | | 2358=653+2x | | 125+2h=1013 |

Equations solver categories