4b(3b-6)=-9

Simple and best practice solution for 4b(3b-6)=-9 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(3b-6)=-9 equation:


Simplifying
4b(3b + -6) = -9

Reorder the terms:
4b(-6 + 3b) = -9
(-6 * 4b + 3b * 4b) = -9
(-24b + 12b2) = -9

Solving
-24b + 12b2 = -9

Solving for variable 'b'.

Reorder the terms:
9 + -24b + 12b2 = -9 + 9

Combine like terms: -9 + 9 = 0
9 + -24b + 12b2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(3 + -8b + 4b2) = 0

Factor a trinomial.
3((1 + -2b)(3 + -2b)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(1 + -2b)' equal to zero and attempt to solve: Simplifying 1 + -2b = 0 Solving 1 + -2b = 0 Move all terms containing b to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2b = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2b = 0 + -1 -2b = 0 + -1 Combine like terms: 0 + -1 = -1 -2b = -1 Divide each side by '-2'. b = 0.5 Simplifying b = 0.5

Subproblem 2

Set the factor '(3 + -2b)' equal to zero and attempt to solve: Simplifying 3 + -2b = 0 Solving 3 + -2b = 0 Move all terms containing b to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2b = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2b = 0 + -3 -2b = 0 + -3 Combine like terms: 0 + -3 = -3 -2b = -3 Divide each side by '-2'. b = 1.5 Simplifying b = 1.5

Solution

b = {0.5, 1.5}

See similar equations:

| 10X+12Y+12Z=960 | | 8x-5=5(x+2) | | 7(m-12)=5 | | -7x+3y=41 | | 2x^2-9x+9=0 | | 7x+6=9x+6 | | 15x+4y=6 | | 4h-6=2h+12 | | 2x^2-x-10=0 | | 4z+5=3z-8 | | -4(2x-3)+7x=5 | | 37=2(v+8)-5v | | x^2-6x+10=0 | | 5d-2=2d+13 | | 36-5x=11x | | 1-6x=-8x+5 | | x^2-6x+45=0 | | x^4+64=0 | | 5x+5=3x+8 | | 2+6=x-9 | | 4+x=-15+8 | | y=4x+5x^2+8 | | -14=-x | | 2.4+x=0.7 | | 6=2+b | | 5x-1=3x+3 | | 5x-5=4x+4 | | 4x^2+4x+3=0 | | 99= | | 18r-23r=6 | | 4y-7=y+14 | | 3x+7y=33 |

Equations solver categories