2b^2-4b+18=0

Simple and best practice solution for 2b^2-4b+18=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 2b^2-4b+18=0 equation:


Simplifying
2b2 + -4b + 18 = 0

Reorder the terms:
18 + -4b + 2b2 = 0

Solving
18 + -4b + 2b2 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '2'.
2(9 + -2b + b2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(9 + -2b + b2)' equal to zero and attempt to solve: Simplifying 9 + -2b + b2 = 0 Solving 9 + -2b + b2 = 0 Begin completing the square. Move the constant term to the right: Add '-9' to each side of the equation. 9 + -2b + -9 + b2 = 0 + -9 Reorder the terms: 9 + -9 + -2b + b2 = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -2b + b2 = 0 + -9 -2b + b2 = 0 + -9 Combine like terms: 0 + -9 = -9 -2b + b2 = -9 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 = -9 + 1 Reorder the terms: 1 + -2b + b2 = -9 + 1 Combine like terms: -9 + 1 = -8 1 + -2b + b2 = -8 Factor a perfect square on the left side: (b + -1)(b + -1) = -8 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| 9/2t=-7/3 | | 10+12x=23+x | | 3x^4-8x^3-4x^2=0 | | 4x+3=4x+8 | | 2y-16=8 | | 2x+17=12x-103 | | 5r=55/17 | | (3x+8)+(5x-40)=90 | | 2x=-3/5x | | 3t^2-22t-16=0 | | x^6-35x^3+216=0 | | 1/2x-3=.5x+2 | | (8+v)(4v+2)=0 | | 1/3k=27 | | -2x+1=-x-3 | | 6x-3=4x+2 | | (3x+12)+(5x)=90 | | 3(3x+4)=9x+6 | | 7a^2-52a+21=0 | | 5y^2-46y+9=0 | | 2/5x+6=0.4x+6 | | =0.5X^2-55X+1000 | | 425=25x-(10+250) | | 7mn+8mn= | | h=yx+s | | b^2-2b+5=0 | | m-61.2=-17.4 | | 7/35-29=x | | 3t^2-8t-3=0 | | fx=-2x^2+12x-17 | | -17=-321+x | | 3x-9=2(x+4) |

Equations solver categories