b^2+10b=-3

Simple and best practice solution for b^2+10b=-3 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 b^2+10b=-3 equation:


Simplifying
b2 + 10b = -3

Reorder the terms:
10b + b2 = -3

Solving
10b + b2 = -3

Solving for variable 'b'.

Reorder the terms:
3 + 10b + b2 = -3 + 3

Combine like terms: -3 + 3 = 0
3 + 10b + b2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + 10b + -3 + b2 = 0 + -3

Reorder the terms:
3 + -3 + 10b + b2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 10b + b2 = 0 + -3
10b + b2 = 0 + -3

Combine like terms: 0 + -3 = -3
10b + b2 = -3

The b term is 10b.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10b + 25 + b2 = -3 + 25

Reorder the terms:
25 + 10b + b2 = -3 + 25

Combine like terms: -3 + 25 = 22
25 + 10b + b2 = 22

Factor a perfect square on the left side:
(b + 5)(b + 5) = 22

Calculate the square root of the right side: 4.69041576

Break this problem into two subproblems by setting 
(b + 5) equal to 4.69041576 and -4.69041576.

Subproblem 1

b + 5 = 4.69041576 Simplifying b + 5 = 4.69041576 Reorder the terms: 5 + b = 4.69041576 Solving 5 + b = 4.69041576 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + b = 4.69041576 + -5 Combine like terms: 5 + -5 = 0 0 + b = 4.69041576 + -5 b = 4.69041576 + -5 Combine like terms: 4.69041576 + -5 = -0.30958424 b = -0.30958424 Simplifying b = -0.30958424

Subproblem 2

b + 5 = -4.69041576 Simplifying b + 5 = -4.69041576 Reorder the terms: 5 + b = -4.69041576 Solving 5 + b = -4.69041576 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + b = -4.69041576 + -5 Combine like terms: 5 + -5 = 0 0 + b = -4.69041576 + -5 b = -4.69041576 + -5 Combine like terms: -4.69041576 + -5 = -9.69041576 b = -9.69041576 Simplifying b = -9.69041576

Solution

The solution to the problem is based on the solutions from the subproblems. b = {-0.30958424, -9.69041576}

See similar equations:

| -11+23=-3(x+3) | | 1/8n=2 | | -33=-14-p | | 12x-8x+15=79 | | b-24=-20 | | x^2+18x-61=4 | | X/6=-32 | | -17-n=-21 | | 3-4(6x-10)=6x+13 | | w^2-19=10-12w^2 | | n^2+10=59 | | 5(x-2)-8=-4(5x+3)-6x | | -4(v+4)=2v-3+2(6v+1) | | 7/2/35/X=4/5 | | 1/3(a)-3/4=6 | | 4(w-2)=-2w+40 | | -8=v+(-9) | | 9v+28=2(v+7) | | 4=-8u+5(u+2) | | 32=r+26 | | 17/12-3.4 | | -38=n+(-25) | | 12-5(3r-2)=17 | | -y/7=46 | | x+(-10)=7 | | 5x+30-3x=9x-4x | | -4=3x^2-3x | | 5=-4x-3 | | 3r^3(2r^0)= | | 4p+3q+5p-7q= | | -13-5m=2m-3(7m-5) | | 4y-26=6(y-6) |

Equations solver categories