2b+b(b+16)=180

Simple and best practice solution for 2b+b(b+16)=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 2b+b(b+16)=180 equation:


Simplifying
2b + b(b + 16) = 180

Reorder the terms:
2b + b(16 + b) = 180
2b + (16 * b + b * b) = 180
2b + (16b + b2) = 180

Combine like terms: 2b + 16b = 18b
18b + b2 = 180

Solving
18b + b2 = 180

Solving for variable 'b'.

Reorder the terms:
-180 + 18b + b2 = 180 + -180

Combine like terms: 180 + -180 = 0
-180 + 18b + b2 = 0

Begin completing the square.

Move the constant term to the right:

Add '180' to each side of the equation.
-180 + 18b + 180 + b2 = 0 + 180

Reorder the terms:
-180 + 180 + 18b + b2 = 0 + 180

Combine like terms: -180 + 180 = 0
0 + 18b + b2 = 0 + 180
18b + b2 = 0 + 180

Combine like terms: 0 + 180 = 180
18b + b2 = 180

The b term is 18b.  Take half its coefficient (9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
18b + 81 + b2 = 180 + 81

Reorder the terms:
81 + 18b + b2 = 180 + 81

Combine like terms: 180 + 81 = 261
81 + 18b + b2 = 261

Factor a perfect square on the left side:
(b + 9)(b + 9) = 261

Calculate the square root of the right side: 16.155494421

Break this problem into two subproblems by setting 
(b + 9) equal to 16.155494421 and -16.155494421.

Subproblem 1

b + 9 = 16.155494421 Simplifying b + 9 = 16.155494421 Reorder the terms: 9 + b = 16.155494421 Solving 9 + b = 16.155494421 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + b = 16.155494421 + -9 Combine like terms: 9 + -9 = 0 0 + b = 16.155494421 + -9 b = 16.155494421 + -9 Combine like terms: 16.155494421 + -9 = 7.155494421 b = 7.155494421 Simplifying b = 7.155494421

Subproblem 2

b + 9 = -16.155494421 Simplifying b + 9 = -16.155494421 Reorder the terms: 9 + b = -16.155494421 Solving 9 + b = -16.155494421 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + b = -16.155494421 + -9 Combine like terms: 9 + -9 = 0 0 + b = -16.155494421 + -9 b = -16.155494421 + -9 Combine like terms: -16.155494421 + -9 = -25.155494421 b = -25.155494421 Simplifying b = -25.155494421

Solution

The solution to the problem is based on the solutions from the subproblems. b = {7.155494421, -25.155494421}

See similar equations:

| 3(n-4)-(2-7n)=9n | | 4x+32=4x+12 | | -8n-9+11=-22 | | (3x-36)+(2x+22)=180 | | 3x-2=28-3x | | 3X-28=-2X+7 | | X=12+2X | | (2x^2-4x-8)-(3x^2+7x+8)= | | (2x+50)=7x | | -5+3n=-17 | | 10x^2-3x-2x^2+36=0 | | 3-2=28-3x | | 13x-10x=9 | | X^2-24x+y^2+6y=-137 | | Y=180-2x | | Y=2^(1/2) | | 7/7/9-5/4/9 | | 5x/3=-120 | | 19-(4m+8)=5+2m-12 | | X=.2y+12 | | 36-3x+3=(1216)x+1 | | 14x+95+16x+53+17x+71=360 | | 14x+95=360 | | 7x-(5x+6)=8 | | 12x=-29 | | Y=-6(x-2) | | 60+5x+5=180 | | 18n^50=0 | | 40+7j=25 | | 17x+69+16x+64+95=360 | | 27=-4r-1 | | Y=4^(1/2) |

Equations solver categories