9b(b-2)=156

Simple and best practice solution for 9b(b-2)=156 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 9b(b-2)=156 equation:


Simplifying
9b(b + -2) = 156

Reorder the terms:
9b(-2 + b) = 156
(-2 * 9b + b * 9b) = 156
(-18b + 9b2) = 156

Solving
-18b + 9b2 = 156

Solving for variable 'b'.

Reorder the terms:
-156 + -18b + 9b2 = 156 + -156

Combine like terms: 156 + -156 = 0
-156 + -18b + 9b2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-52 + -6b + 3b2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-52 + -6b + 3b2)' equal to zero and attempt to solve: Simplifying -52 + -6b + 3b2 = 0 Solving -52 + -6b + 3b2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -17.33333333 + -2b + b2 = 0 Move the constant term to the right: Add '17.33333333' to each side of the equation. -17.33333333 + -2b + 17.33333333 + b2 = 0 + 17.33333333 Reorder the terms: -17.33333333 + 17.33333333 + -2b + b2 = 0 + 17.33333333 Combine like terms: -17.33333333 + 17.33333333 = 0.00000000 0.00000000 + -2b + b2 = 0 + 17.33333333 -2b + b2 = 0 + 17.33333333 Combine like terms: 0 + 17.33333333 = 17.33333333 -2b + b2 = 17.33333333 The b term is -2b. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2b + 1 + b2 = 17.33333333 + 1 Reorder the terms: 1 + -2b + b2 = 17.33333333 + 1 Combine like terms: 17.33333333 + 1 = 18.33333333 1 + -2b + b2 = 18.33333333 Factor a perfect square on the left side: (b + -1)(b + -1) = 18.33333333 Calculate the square root of the right side: 4.281744192 Break this problem into two subproblems by setting (b + -1) equal to 4.281744192 and -4.281744192.

Subproblem 1

b + -1 = 4.281744192 Simplifying b + -1 = 4.281744192 Reorder the terms: -1 + b = 4.281744192 Solving -1 + b = 4.281744192 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + b = 4.281744192 + 1 Combine like terms: -1 + 1 = 0 0 + b = 4.281744192 + 1 b = 4.281744192 + 1 Combine like terms: 4.281744192 + 1 = 5.281744192 b = 5.281744192 Simplifying b = 5.281744192

Subproblem 2

b + -1 = -4.281744192 Simplifying b + -1 = -4.281744192 Reorder the terms: -1 + b = -4.281744192 Solving -1 + b = -4.281744192 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + b = -4.281744192 + 1 Combine like terms: -1 + 1 = 0 0 + b = -4.281744192 + 1 b = -4.281744192 + 1 Combine like terms: -4.281744192 + 1 = -3.281744192 b = -3.281744192 Simplifying b = -3.281744192

Solution

The solution to the problem is based on the solutions from the subproblems. b = {5.281744192, -3.281744192}

Solution

b = {5.281744192, -3.281744192}

See similar equations:

| 3x+20x=180 | | 2/5(m-3)=10 | | 1h^2-6h^2= | | 4+77x=33x+20 | | -2y=5-6x | | (8x^4-16^3)/(25x^2-50x) | | t=c(7+ab)forB | | 9-x/6=14/4 | | -11-x=-3x-15 | | -6=-4u | | 24=30+2x | | y+10=21 | | 5x=y+4 | | 9ln(x+9)-9lnx= | | 2p-4.1=5.4p-36.4 | | -95-x=-11x+75 | | 3x+2.6=8 | | 5(y-6)+4= | | no/16=-30 | | 9x-4=-85 | | 5w+4w=63 | | Y^2+5y=3 | | -2y+6x=5 | | Y*2+5y=3 | | 3(x-5)=39 | | 4-(q-3)=6-2q | | (x=10)^2/3=16 | | -6h*1= | | 156=3b+6(b-2) | | -3x-43=-8+32 | | 93-4x=x | | -6x^2+72x=y+219 |

Equations solver categories