4b^2-6b=40

Simple and best practice solution for 4b^2-6b=40 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^2-6b=40 equation:


Simplifying
4b2 + -6b = 40

Reorder the terms:
-6b + 4b2 = 40

Solving
-6b + 4b2 = 40

Solving for variable 'b'.

Reorder the terms:
-40 + -6b + 4b2 = 40 + -40

Combine like terms: 40 + -40 = 0
-40 + -6b + 4b2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-20 + -3b + 2b2) = 0

Factor a trinomial.
2((-5 + -2b)(4 + -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 '(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 = {-2.5, 4}

See similar equations:

| 27000=0.4(x-175000) | | 5a-4=3a-30 | | Iflog(47)+log(y)=log(z) | | 5x+22=87 | | x^2+y^2-8x+10y-12=0 | | 42x^4-21x^3-7x^2-20x+10=0 | | 86=-10t+4.9t^2 | | 7x-9+-x-6= | | 7xsquared+6x+9=0 | | (x+7)+x=x+(7+x) | | 6-(2x+4)=-14 | | 86=-9.8t+5t^2 | | 125=(X-29)+X | | 86=-10t+5t^2 | | -3x^2+45x-150=0 | | 945=45x+6 | | 125=(29-X)+X | | 3b+2+4=9 | | 5t^2-12t+63=0 | | 7y+2x=2 | | 6+5b=-9 | | 3h=4-21h | | m+2n=ym-5 | | 3h=14-21h-10 | | 75=13x | | (7x^2-10)(6x^2-3x)=0 | | -3(6p+5)-2(4-17p)=3(7+5p) | | 3h=14-21-10 | | 6x-4(x-1)=22 | | 2b-1a= | | 4+r^2=29 | | 6x^3-21x^2-96x+336=0 |

Equations solver categories