a(2a-3)-9=

Simple and best practice solution for a(2a-3)-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 a(2a-3)-9= equation:


Simplifying
a(2a + -3) + -9 = 0

Reorder the terms:
a(-3 + 2a) + -9 = 0
(-3 * a + 2a * a) + -9 = 0
(-3a + 2a2) + -9 = 0

Reorder the terms:
-9 + -3a + 2a2 = 0

Solving
-9 + -3a + 2a2 = 0

Solving for variable 'a'.

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

Subproblem 1

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

Subproblem 2

Set the factor '(3 + -1a)' equal to zero and attempt to solve: Simplifying 3 + -1a = 0 Solving 3 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1a = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1a = 0 + -3 -1a = 0 + -3 Combine like terms: 0 + -3 = -3 -1a = -3 Divide each side by '-1'. a = 3 Simplifying a = 3

Solution

a = {-1.5, 3}

See similar equations:

| 7z-3(z+5)=0 | | 4x+8-(-3x-7)=-6x-9 | | K^2=7k-6 | | (0.8-x)(x^2-2.2x+1.21)=0 | | x+(x+1)+(x+2)=342 | | 6z+4z=-5z-9+z | | 15x^4-15x^2+60=0 | | 4z-8z=6z+3+4z | | 2z-9z=-9z-7-9z | | 2z-9z=-9-7-9z | | 5x+8=22+5 | | -3+x+2x^2=0 | | 30y+15=17 | | 0.2(15x)= | | 6y+9-2y-6= | | -1.5d+2=-4(d-1.5) | | 0.8x+14=2-1.6x | | z=-5+2i | | x+1=-x-3 | | 3x+4=-x+2 | | 10=0.4y-0.5x | | X*.25=44 | | 6m-14=-22+5m | | -7p=-56 | | 9p-7=-19+7p | | m+3m-5-1= | | 1=5-7x-2 | | m-3m-8m+5= | | 5u+15=2(u-3) | | f(x)=0.4x+5 | | 6x-7(x-8)=65 | | (Y+sqrtxy)dx=xdy |

Equations solver categories