4b^2=-2b+20

Simple and best practice solution for 4b^2=-2b+20 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 4b^2=-2b+20 equation:


Simplifying
4b2 = -2b + 20

Reorder the terms:
4b2 = 20 + -2b

Solving
4b2 = 20 + -2b

Solving for variable 'b'.

Reorder the terms:
-20 + 2b + 4b2 = 20 + -2b + -20 + 2b

Reorder the terms:
-20 + 2b + 4b2 = 20 + -20 + -2b + 2b

Combine like terms: 20 + -20 = 0
-20 + 2b + 4b2 = 0 + -2b + 2b
-20 + 2b + 4b2 = -2b + 2b

Combine like terms: -2b + 2b = 0
-20 + 2b + 4b2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-10 + b + 2b2) = 0

Factor a trinomial.
2((-5 + -2b)(2 + -1b)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-5 + -2b)' equal to zero and attempt to solve: Simplifying -5 + -2b = 0 Solving -5 + -2b = 0 Move all terms containing b to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -2b = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -2b = 0 + 5 -2b = 0 + 5 Combine like terms: 0 + 5 = 5 -2b = 5 Divide each side by '-2'. b = -2.5 Simplifying b = -2.5

Subproblem 2

Set the factor '(2 + -1b)' equal to zero and attempt to solve: Simplifying 2 + -1b = 0 Solving 2 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1b = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1b = 0 + -2 -1b = 0 + -2 Combine like terms: 0 + -2 = -2 -1b = -2 Divide each side by '-1'. b = 2 Simplifying b = 2

Solution

b = {-2.5, 2}

See similar equations:

| logx^2=3logy | | x^2-x-56=y | | z*z+z-6=0 | | 4(2x-6)-8=5-(x-7) | | 7x=14y | | ax+ay+2x+2y= | | 3x-4=4x-14 | | 3x^2-18=12 | | 7x^2-260x+1000=0 | | 2(y+4)-5y=-19 | | F-1(2)=5x+8 | | log(4x)=2 | | 8+4x-2x=0 | | 4x^2-13-3=0 | | 5(6)+4x= | | 2(4y+9)+3=3(4+3) | | 3y-9=-17-2y | | 3(6x+4)=102 | | 4y-6x+3=0 | | 3(y+1)-2=2y+1 | | (N-3)(n-3)=15-7n | | 2(4y+9)+3=9+3(4+3) | | 94-w=193 | | 4x^2+38x+70= | | 3x+7=x+4 | | 8x-6=10x+5 | | 8+4x-2=0 | | y=3x^2-30x | | 3(x+2.71)=4x-7 | | 10n^2-23n+12=0 | | 5y-9x=-7 | | 49t^2-5=31 |

Equations solver categories