(9w+8)(1w-10)=w

Simple and best practice solution for (9w+8)(1w-10)=w 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 (9w+8)(1w-10)=w equation:


Simplifying
(9w + 8)(1w + -10) = w

Reorder the terms:
(8 + 9w)(1w + -10) = w

Reorder the terms:
(8 + 9w)(-10 + 1w) = w

Multiply (8 + 9w) * (-10 + 1w)
(8(-10 + 1w) + 9w * (-10 + 1w)) = w
((-10 * 8 + 1w * 8) + 9w * (-10 + 1w)) = w
((-80 + 8w) + 9w * (-10 + 1w)) = w
(-80 + 8w + (-10 * 9w + 1w * 9w)) = w
(-80 + 8w + (-90w + 9w2)) = w

Combine like terms: 8w + -90w = -82w
(-80 + -82w + 9w2) = w

Solving
-80 + -82w + 9w2 = w

Solving for variable 'w'.

Reorder the terms:
-80 + -82w + -1w + 9w2 = w + -1w

Combine like terms: -82w + -1w = -83w
-80 + -83w + 9w2 = w + -1w

Combine like terms: w + -1w = 0
-80 + -83w + 9w2 = 0

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

Divide each side by '9'.
-8.888888889 + -9.222222222w + w2 = 0

Move the constant term to the right:

Add '8.888888889' to each side of the equation.
-8.888888889 + -9.222222222w + 8.888888889 + w2 = 0 + 8.888888889

Reorder the terms:
-8.888888889 + 8.888888889 + -9.222222222w + w2 = 0 + 8.888888889

Combine like terms: -8.888888889 + 8.888888889 = 0.000000000
0.000000000 + -9.222222222w + w2 = 0 + 8.888888889
-9.222222222w + w2 = 0 + 8.888888889

Combine like terms: 0 + 8.888888889 = 8.888888889
-9.222222222w + w2 = 8.888888889

The w term is -9.222222222w.  Take half its coefficient (-4.611111111).
Square it (21.26234568) and add it to both sides.

Add '21.26234568' to each side of the equation.
-9.222222222w + 21.26234568 + w2 = 8.888888889 + 21.26234568

Reorder the terms:
21.26234568 + -9.222222222w + w2 = 8.888888889 + 21.26234568

Combine like terms: 8.888888889 + 21.26234568 = 30.151234569
21.26234568 + -9.222222222w + w2 = 30.151234569

Factor a perfect square on the left side:
(w + -4.611111111)(w + -4.611111111) = 30.151234569

Calculate the square root of the right side: 5.491013984

Break this problem into two subproblems by setting 
(w + -4.611111111) equal to 5.491013984 and -5.491013984.

Subproblem 1

w + -4.611111111 = 5.491013984 Simplifying w + -4.611111111 = 5.491013984 Reorder the terms: -4.611111111 + w = 5.491013984 Solving -4.611111111 + w = 5.491013984 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '4.611111111' to each side of the equation. -4.611111111 + 4.611111111 + w = 5.491013984 + 4.611111111 Combine like terms: -4.611111111 + 4.611111111 = 0.000000000 0.000000000 + w = 5.491013984 + 4.611111111 w = 5.491013984 + 4.611111111 Combine like terms: 5.491013984 + 4.611111111 = 10.102125095 w = 10.102125095 Simplifying w = 10.102125095

Subproblem 2

w + -4.611111111 = -5.491013984 Simplifying w + -4.611111111 = -5.491013984 Reorder the terms: -4.611111111 + w = -5.491013984 Solving -4.611111111 + w = -5.491013984 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '4.611111111' to each side of the equation. -4.611111111 + 4.611111111 + w = -5.491013984 + 4.611111111 Combine like terms: -4.611111111 + 4.611111111 = 0.000000000 0.000000000 + w = -5.491013984 + 4.611111111 w = -5.491013984 + 4.611111111 Combine like terms: -5.491013984 + 4.611111111 = -0.879902873 w = -0.879902873 Simplifying w = -0.879902873

Solution

The solution to the problem is based on the solutions from the subproblems. w = {10.102125095, -0.879902873}

See similar equations:

| x+2x-4+4x+10=20x | | 4(3-3x)-8x=15 | | (x+1)(x-8)=x | | 4x^2-85x+441=0 | | 3x-6+5x+9=11 | | c/3=61/7 | | 3x+99=7x-13 | | 4x+20=21(x+2) | | 2x+5+4x+6=25 | | I-38=4 | | 2(2x+10)=40x | | 92-5x=10+17 | | 2(x-20)=30 | | 0=(-5x+2)(x+5) | | 3+f=7 | | .3(2x+3)=.25 | | 3x-8=30x+1 | | E+9.8=14.1 | | -2+5x=15x | | z^4-50z^2+49=0 | | x+13+x+23=90 | | 380-(2n)=270 | | 8u=2v-24 | | 3+4x=13x | | w/-2=10 | | 8(4u+-1)-12u=11(2u-6) | | (2d+3)(3d+1)=0 | | 8(4u-1)=2(7y-16)-y | | 8=4+m+7 | | (4x+5).9=.9 | | x+4+x=2x | | 52=p-15 |

Equations solver categories