4x(90-x)+6=180-x

Simple and best practice solution for 4x(90-x)+6=180-x 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 4x(90-x)+6=180-x equation:


Simplifying
4x(90 + -1x) + 6 = 180 + -1x
(90 * 4x + -1x * 4x) + 6 = 180 + -1x
(360x + -4x2) + 6 = 180 + -1x

Reorder the terms:
6 + 360x + -4x2 = 180 + -1x

Solving
6 + 360x + -4x2 = 180 + -1x

Solving for variable 'x'.

Reorder the terms:
6 + -180 + 360x + x + -4x2 = 180 + -1x + -180 + x

Combine like terms: 6 + -180 = -174
-174 + 360x + x + -4x2 = 180 + -1x + -180 + x

Combine like terms: 360x + x = 361x
-174 + 361x + -4x2 = 180 + -1x + -180 + x

Reorder the terms:
-174 + 361x + -4x2 = 180 + -180 + -1x + x

Combine like terms: 180 + -180 = 0
-174 + 361x + -4x2 = 0 + -1x + x
-174 + 361x + -4x2 = -1x + x

Combine like terms: -1x + x = 0
-174 + 361x + -4x2 = 0

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

Divide each side by '-4'.
43.5 + -90.25x + x2 = 0

Move the constant term to the right:

Add '-43.5' to each side of the equation.
43.5 + -90.25x + -43.5 + x2 = 0 + -43.5

Reorder the terms:
43.5 + -43.5 + -90.25x + x2 = 0 + -43.5

Combine like terms: 43.5 + -43.5 = 0.0
0.0 + -90.25x + x2 = 0 + -43.5
-90.25x + x2 = 0 + -43.5

Combine like terms: 0 + -43.5 = -43.5
-90.25x + x2 = -43.5

The x term is -90.25x.  Take half its coefficient (-45.125).
Square it (2036.265625) and add it to both sides.

Add '2036.265625' to each side of the equation.
-90.25x + 2036.265625 + x2 = -43.5 + 2036.265625

Reorder the terms:
2036.265625 + -90.25x + x2 = -43.5 + 2036.265625

Combine like terms: -43.5 + 2036.265625 = 1992.765625
2036.265625 + -90.25x + x2 = 1992.765625

Factor a perfect square on the left side:
(x + -45.125)(x + -45.125) = 1992.765625

Calculate the square root of the right side: 44.640403504

Break this problem into two subproblems by setting 
(x + -45.125) equal to 44.640403504 and -44.640403504.

Subproblem 1

x + -45.125 = 44.640403504 Simplifying x + -45.125 = 44.640403504 Reorder the terms: -45.125 + x = 44.640403504 Solving -45.125 + x = 44.640403504 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '45.125' to each side of the equation. -45.125 + 45.125 + x = 44.640403504 + 45.125 Combine like terms: -45.125 + 45.125 = 0.000 0.000 + x = 44.640403504 + 45.125 x = 44.640403504 + 45.125 Combine like terms: 44.640403504 + 45.125 = 89.765403504 x = 89.765403504 Simplifying x = 89.765403504

Subproblem 2

x + -45.125 = -44.640403504 Simplifying x + -45.125 = -44.640403504 Reorder the terms: -45.125 + x = -44.640403504 Solving -45.125 + x = -44.640403504 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '45.125' to each side of the equation. -45.125 + 45.125 + x = -44.640403504 + 45.125 Combine like terms: -45.125 + 45.125 = 0.000 0.000 + x = -44.640403504 + 45.125 x = -44.640403504 + 45.125 Combine like terms: -44.640403504 + 45.125 = 0.484596496 x = 0.484596496 Simplifying x = 0.484596496

Solution

The solution to the problem is based on the solutions from the subproblems. x = {89.765403504, 0.484596496}

See similar equations:

| 8-x=-5x | | x^2+2bx+b^2=0 | | 2-3x=3x-10 | | 19-x=3x+3 | | 21y+6=18 | | 28-3x=8-8x | | 9x+11=26 | | 5+8x=-9 | | -x^3+7x^2=66 | | -x^3+7x=66 | | 20y+6=22 | | y=9E+6x+331272 | | 4h+2=3 | | 3x^2-4xy+y^2-3x+2=0 | | (4-3x)(y-6x)=0 | | (y-6x)=0 | | 6.44r=-9.6 | | 4w+9=3w+4 | | f-8=-4 | | 10+6x=-10x | | 4(x+6)-7(x+6)=5(x+6)-3(x+6) | | 0.5x^2+3x+6.5=0 | | x^2-ix+3=0 | | 6x-2+7x-19=4x+2+3x+3 | | 4(x+16)-7(x+6)=5(x+6)-3(x+6) | | 3x+4=2(x+3)-6(x+5) | | X-4(3x-2)-2(2x-1)=25 | | 9x+11=4x+29 | | 3(2c-1)=2(10-c) | | x+9=5x+2 | | cos(2)(X)=0.5 | | (180-20)/5n |

Equations solver categories