(0.6b-0.1)(0.11b+1)=0

Simple and best practice solution for (0.6b-0.1)(0.11b+1)=0 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 (0.6b-0.1)(0.11b+1)=0 equation:


Simplifying
(0.6b + -0.1)(0.11b + 1) = 0

Reorder the terms:
(-0.1 + 0.6b)(0.11b + 1) = 0

Reorder the terms:
(-0.1 + 0.6b)(1 + 0.11b) = 0

Multiply (-0.1 + 0.6b) * (1 + 0.11b)
(-0.1(1 + 0.11b) + 0.6b * (1 + 0.11b)) = 0
((1 * -0.1 + 0.11b * -0.1) + 0.6b * (1 + 0.11b)) = 0
((-0.1 + -0.011b) + 0.6b * (1 + 0.11b)) = 0
(-0.1 + -0.011b + (1 * 0.6b + 0.11b * 0.6b)) = 0
(-0.1 + -0.011b + (0.6b + 0.066b2)) = 0

Combine like terms: -0.011b + 0.6b = 0.589b
(-0.1 + 0.589b + 0.066b2) = 0

Solving
-0.1 + 0.589b + 0.066b2 = 0

Solving for variable 'b'.

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

Divide each side by '0.066'.
-1.515151515 + 8.924242424b + b2 = 0

Move the constant term to the right:

Add '1.515151515' to each side of the equation.
-1.515151515 + 8.924242424b + 1.515151515 + b2 = 0 + 1.515151515

Reorder the terms:
-1.515151515 + 1.515151515 + 8.924242424b + b2 = 0 + 1.515151515

Combine like terms: -1.515151515 + 1.515151515 = 0.000000000
0.000000000 + 8.924242424b + b2 = 0 + 1.515151515
8.924242424b + b2 = 0 + 1.515151515

Combine like terms: 0 + 1.515151515 = 1.515151515
8.924242424b + b2 = 1.515151515

The b term is 8.924242424b.  Take half its coefficient (4.462121212).
Square it (19.91052571) and add it to both sides.

Add '19.91052571' to each side of the equation.
8.924242424b + 19.91052571 + b2 = 1.515151515 + 19.91052571

Reorder the terms:
19.91052571 + 8.924242424b + b2 = 1.515151515 + 19.91052571

Combine like terms: 1.515151515 + 19.91052571 = 21.425677225
19.91052571 + 8.924242424b + b2 = 21.425677225

Factor a perfect square on the left side:
(b + 4.462121212)(b + 4.462121212) = 21.425677225

Calculate the square root of the right side: 4.628787879

Break this problem into two subproblems by setting 
(b + 4.462121212) equal to 4.628787879 and -4.628787879.

Subproblem 1

b + 4.462121212 = 4.628787879 Simplifying b + 4.462121212 = 4.628787879 Reorder the terms: 4.462121212 + b = 4.628787879 Solving 4.462121212 + b = 4.628787879 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-4.462121212' to each side of the equation. 4.462121212 + -4.462121212 + b = 4.628787879 + -4.462121212 Combine like terms: 4.462121212 + -4.462121212 = 0.000000000 0.000000000 + b = 4.628787879 + -4.462121212 b = 4.628787879 + -4.462121212 Combine like terms: 4.628787879 + -4.462121212 = 0.166666667 b = 0.166666667 Simplifying b = 0.166666667

Subproblem 2

b + 4.462121212 = -4.628787879 Simplifying b + 4.462121212 = -4.628787879 Reorder the terms: 4.462121212 + b = -4.628787879 Solving 4.462121212 + b = -4.628787879 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-4.462121212' to each side of the equation. 4.462121212 + -4.462121212 + b = -4.628787879 + -4.462121212 Combine like terms: 4.462121212 + -4.462121212 = 0.000000000 0.000000000 + b = -4.628787879 + -4.462121212 b = -4.628787879 + -4.462121212 Combine like terms: -4.628787879 + -4.462121212 = -9.090909091 b = -9.090909091 Simplifying b = -9.090909091

Solution

The solution to the problem is based on the solutions from the subproblems. b = {0.166666667, -9.090909091}

See similar equations:

| 2H+5=-4H-59 | | 2+3a+10= | | 2H+5=4H-59 | | -10H-10=5H+25 | | 10H-10=5H+25 | | 93/73749 | | 98/51450 | | -4x+3=17 | | 5y-5+y+41=7y+40-3y | | 8/12= | | 1/100=x^2 | | 7y+28=-7(y-6) | | 3(w+5)=7w+3 | | -x=4x+1 | | -3w-11=4(w-1) | | 12u^2-104u+17=0 | | 2.25e+12= | | (v/20)=u | | (8/5)x=40 | | 9/11x=2 | | -7/9x3 | | 20+4x=3x | | 6k-[k+(-2+3k)]=0 | | 7+2x=0.5(14+4x) | | 15/7-5/7 | | 6=3q | | (2x-7y)(6x-5y)=0 | | 35-5/6=s | | 1-x+2x^2-3x^3= | | 10X+25x^4=0 | | 2x^3-x+4=-2 | | 0=ln(8x-2) |

Equations solver categories