b^2-2b+15=

Simple and best practice solution for b^2-2b+15= 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^2-2b+15= equation:


Simplifying
b2 + -2b + 15 = 0

Reorder the terms:
15 + -2b + b2 = 0

Solving
15 + -2b + b2 = 0

Solving for variable 'b'.

Begin completing the square.

Move the constant term to the right:

Add '-15' to each side of the equation.
15 + -2b + -15 + b2 = 0 + -15

Reorder the terms:
15 + -15 + -2b + b2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -2b + b2 = 0 + -15
-2b + b2 = 0 + -15

Combine like terms: 0 + -15 = -15
-2b + b2 = -15

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 = -15 + 1

Reorder the terms:
1 + -2b + b2 = -15 + 1

Combine like terms: -15 + 1 = -14
1 + -2b + b2 = -14

Factor a perfect square on the left side:
(b + -1)(b + -1) = -14

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 10b^2+8b=16 | | 700+15x=430+30x | | -x+5=17+x | | 4x-4=2x+7 | | 191=85-23x | | 10x+1x=100 | | 74-34= | | -2(-3u+8)-9u=7(u-4)-4 | | 7+.75x=12.50+.50x | | 26+y=39 | | 4100=41(p+20) | | b-6=9.3 | | Y=sin(5x-2) | | n+1.6=28 | | 3(2x-5)-4=7-(3x-4) | | -3t^2+46t-120=0 | | 7z+8=7z-z | | 1050=6(x+18) | | 10x^2-18-16x=0 | | 3(2x-5)-4=6-(3x-4) | | 3(2e-7)=3 | | 4(-4t^2+26t+14)=0 | | 4x-16=4(x-4) | | 2(x-3)=6x+5-2(-3x-2) | | 24x^2-11x-1=0 | | -2x-6=-3y | | -11=3x+x-3 | | 41=12n+5 | | 6+4(x+3)=15 | | -5x+10=3x+10 | | 4x+4=6x-20 | | x=-1-7(-1) |

Equations solver categories