b^2=40-3b

Simple and best practice solution for b^2=40-3b 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=40-3b equation:


Simplifying
b2 = 40 + -3b

Solving
b2 = 40 + -3b

Solving for variable 'b'.

Reorder the terms:
-40 + 3b + b2 = 40 + -3b + -40 + 3b

Reorder the terms:
-40 + 3b + b2 = 40 + -40 + -3b + 3b

Combine like terms: 40 + -40 = 0
-40 + 3b + b2 = 0 + -3b + 3b
-40 + 3b + b2 = -3b + 3b

Combine like terms: -3b + 3b = 0
-40 + 3b + b2 = 0

Factor a trinomial.
(-8 + -1b)(5 + -1b) = 0

Subproblem 1

Set the factor '(-8 + -1b)' equal to zero and attempt to solve: Simplifying -8 + -1b = 0 Solving -8 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1b = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1b = 0 + 8 -1b = 0 + 8 Combine like terms: 0 + 8 = 8 -1b = 8 Divide each side by '-1'. b = -8 Simplifying b = -8

Subproblem 2

Set the factor '(5 + -1b)' equal to zero and attempt to solve: Simplifying 5 + -1b = 0 Solving 5 + -1b = 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 + -1b = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1b = 0 + -5 -1b = 0 + -5 Combine like terms: 0 + -5 = -5 -1b = -5 Divide each side by '-1'. b = 5 Simplifying b = 5

Solution

b = {-8, 5}

See similar equations:

| x/.25=7 | | 7x^2=-9x | | -6x^2-21x-3=0 | | -w^2+5w=3 | | 3(5-x)-4(3+2x)+2(12-17x)=0 | | 6x^2-21x-3=o | | 5x^3=20x | | 10(j+19)=80 | | .3=(50-x)/50 | | 3x^2-21x-3=0 | | .3=(x-50)/50 | | (x-1)(x-2)=0 | | 10-(-10)= | | 8n^2-8=0 | | X+Y=3x^420 | | 35=-3.5x | | z(3z-4)(z+3)=0 | | 24=(-v)/(-3) | | 4X-2=-X+3 | | 2m=2y | | 6(m-83)+7=55 | | 2.1x-3.24=1.26-5.4x | | (x-9)(x+1)(x-1)=0 | | X-4=-2X-7 | | 2p-11=-8(2-7p)+5 | | 24=-(v)/(3) | | 6r^3+30r^2=36r | | 2x+(4*7)=13 | | 3X-6=-X+2 | | (-a)/(10)-8=-24 | | 5-x=10 | | (2x-5)(3x+1)=0 |

Equations solver categories