b^2=28-3b

Simple and best practice solution for b^2=28-3b 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=28-3b equation:


Simplifying
b2 = 28 + -3b

Solving
b2 = 28 + -3b

Solving for variable 'b'.

Reorder the terms:
-28 + 3b + b2 = 28 + -3b + -28 + 3b

Reorder the terms:
-28 + 3b + b2 = 28 + -28 + -3b + 3b

Combine like terms: 28 + -28 = 0
-28 + 3b + b2 = 0 + -3b + 3b
-28 + 3b + b2 = -3b + 3b

Combine like terms: -3b + 3b = 0
-28 + 3b + b2 = 0

Factor a trinomial.
(-7 + -1b)(4 + -1b) = 0

Subproblem 1

Set the factor '(-7 + -1b)' equal to zero and attempt to solve: Simplifying -7 + -1b = 0 Solving -7 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1b = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1b = 0 + 7 -1b = 0 + 7 Combine like terms: 0 + 7 = 7 -1b = 7 Divide each side by '-1'. b = -7 Simplifying b = -7

Subproblem 2

Set the factor '(4 + -1b)' equal to zero and attempt to solve: Simplifying 4 + -1b = 0 Solving 4 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1b = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1b = 0 + -4 -1b = 0 + -4 Combine like terms: 0 + -4 = -4 -1b = -4 Divide each side by '-1'. b = 4 Simplifying b = 4

Solution

b = {-7, 4}

See similar equations:

| y=(2/3)*5+7 | | 9a+5-17a-12a=-105 | | 42-(x+3)=16 | | (4+l)+(2m)i=9+14 | | 8-p=-12-13p | | 9-4x^2=0 | | 40+8h,h=-5 | | x^2+4x+4-x^2=56 | | 450x=13200-250x | | 13200-250x=10560 | | 30x^2+25x-20=0 | | ((w-2)(2w+10))-(w(w+5))=220 | | 49v^2-9=0 | | y-22.6=1.08 | | y-6.54=1.2 | | x^2+23x+132=0 | | x^2+35=12x | | sin(cos(sin(tan(x)-3)*0.5)*3)=0 | | y-114=36 | | x^2+23+132=0 | | y-1.6=0.27 | | y-81=423 | | 5x-4=8x-1 | | 6r^2-15r-99=0 | | 7(x+2)=3x+38 | | 2x^2+35x+17=0 | | 0.21(10000)-0.03y=0.07(y+10000) | | 9y-1=4+11y | | 11t=15-6t | | 11t=(15-6t) | | 6x^2-28x-10=0 | | x-50.00=0.80(x-100.00) |

Equations solver categories