2a^3-7a^2-15a=0

Simple and best practice solution for 2a^3-7a^2-15a=0 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 2a^3-7a^2-15a=0 equation:


Simplifying
2a3 + -7a2 + -15a = 0

Reorder the terms:
-15a + -7a2 + 2a3 = 0

Solving
-15a + -7a2 + 2a3 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), 'a'.
a(-15 + -7a + 2a2) = 0

Factor a trinomial.
a((-3 + -2a)(5 + -1a)) = 0

Subproblem 1

Set the factor 'a' equal to zero and attempt to solve: Simplifying a = 0 Solving a = 0 Move all terms containing a to the left, all other terms to the right. Simplifying a = 0

Subproblem 2

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 3

Set the factor '(5 + -1a)' equal to zero and attempt to solve: Simplifying 5 + -1a = 0 Solving 5 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1a = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1a = 0 + -5 -1a = 0 + -5 Combine like terms: 0 + -5 = -5 -1a = -5 Divide each side by '-1'. a = 5 Simplifying a = 5

Solution

a = {0, -1.5, 5}

See similar equations:

| 2x-1/3+5/2=x+1/6 | | 25/30=x/100 | | 8x^2-22x+14=0 | | 6/6.5=x/100 | | 8/x^2+0.5 | | 4y+2w= | | 60m^2-47m-30=0 | | log(2x-4)=1.1 | | 3+7(t-9)=4(t+9)+5 | | 9x+5w= | | 82-6x=21x+22 | | -1/4x^2+3=0 | | 12(z/1,3-2,2)+26,4=z+15 | | 12x+26,4=x/1,3-1,69 | | 12x-x/1,3=18,95 | | 9,23z-z=1,38z | | 6x-(-12x)= | | x/2+x/4=9 | | 2x+y=181 | | 12=7x-23 | | 2x-3+2(3x)+17=-2-3x+(8-7) | | 2(x+2.4)=x+6.9 | | 2x+1/12=5/6 | | 2x-3+2(3x)+13=-3-2x+(8-7) | | 3y-8k/10=n | | 3(x+1.3)=2x+6.5 | | 15-7u-6+2u=-1 | | -10y+5w=45h | | 5w-10y=45h | | 4x+1/12=5/6 | | 3-2(2+x)=x-5 | | 4/5*11/6= |

Equations solver categories