56b^2+31b+13=0

Simple and best practice solution for 56b^2+31b+13=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 56b^2+31b+13=0 equation:


Simplifying
56b2 + 31b + 13 = 0

Reorder the terms:
13 + 31b + 56b2 = 0

Solving
13 + 31b + 56b2 = 0

Solving for variable 'b'.

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

Divide each side by '56'.
0.2321428571 + 0.5535714286b + b2 = 0

Move the constant term to the right:

Add '-0.2321428571' to each side of the equation.
0.2321428571 + 0.5535714286b + -0.2321428571 + b2 = 0 + -0.2321428571

Reorder the terms:
0.2321428571 + -0.2321428571 + 0.5535714286b + b2 = 0 + -0.2321428571

Combine like terms: 0.2321428571 + -0.2321428571 = 0.0000000000
0.0000000000 + 0.5535714286b + b2 = 0 + -0.2321428571
0.5535714286b + b2 = 0 + -0.2321428571

Combine like terms: 0 + -0.2321428571 = -0.2321428571
0.5535714286b + b2 = -0.2321428571

The b term is 0.5535714286b.  Take half its coefficient (0.2767857143).
Square it (0.07661033164) and add it to both sides.

Add '0.07661033164' to each side of the equation.
0.5535714286b + 0.07661033164 + b2 = -0.2321428571 + 0.07661033164

Reorder the terms:
0.07661033164 + 0.5535714286b + b2 = -0.2321428571 + 0.07661033164

Combine like terms: -0.2321428571 + 0.07661033164 = -0.15553252546
0.07661033164 + 0.5535714286b + b2 = -0.15553252546

Factor a perfect square on the left side:
(b + 0.2767857143)(b + 0.2767857143) = -0.15553252546

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -7x+5x^2-5x^3+8x+3x^2-7x^3+x^3= | | a^2-6ax-16x^2=0 | | v^2-4v-32=0 | | 9x^3-8x^2-2x-20=0 | | 4x^3+6x^2+6x-1+5x^3-x^2-(-9)= | | 55a^2+28a-3=0 | | -x-5x+(-3x^2)-9-2x+7= | | 5x-129+2x-21=180 | | 8cos(t)+3sin(t)=0 | | 65r^2+34r-3=0 | | -7+x^3-5x^2+4x-5x+3= | | 1.8+6n-3.2=7.6 | | -7+x^3= | | 4r^2-22r+10=0 | | 0.4(x-6)=0.7(2x+3)+0.5 | | -4x-2y=-20 | | 6r^2+31r+35=0 | | 5x-129-2x-21=180 | | w^2-2wf-24f^2=0 | | 5y+3x=95 | | s^2-2s-63=0 | | y-0.817y=1 | | 6x-10=2x+2 | | w^3+4w-96=0 | | 10(h-1)+18=7(h+3-1) | | 8=4.2r-7+1.8r | | x+5.2=6.7 | | 0,7*15= | | -3(x+8)-41=7-57 | | 6p^6-11p^3r+4r^2=0 | | 4(y+2)+8=7y-3 | | t^2-7ty-18y^2=0 |

Equations solver categories