28a-5a^2-3a^3=0

Simple and best practice solution for 28a-5a^2-3a^3=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 28a-5a^2-3a^3=0 equation:


Simplifying
28a + -5a2 + -3a3 = 0

Solving
28a + -5a2 + -3a3 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), 'a'.
a(28 + -5a + -3a2) = 0

Factor a trinomial.
a((7 + -3a)(4 + a)) = 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 '(7 + -3a)' equal to zero and attempt to solve: Simplifying 7 + -3a = 0 Solving 7 + -3a = 0 Move all terms containing a to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -3a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3a = 0 + -7 -3a = 0 + -7 Combine like terms: 0 + -7 = -7 -3a = -7 Divide each side by '-3'. a = 2.333333333 Simplifying a = 2.333333333

Subproblem 3

Set the factor '(4 + a)' equal to zero and attempt to solve: Simplifying 4 + a = 0 Solving 4 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + a = 0 + -4 Combine like terms: 4 + -4 = 0 0 + a = 0 + -4 a = 0 + -4 Combine like terms: 0 + -4 = -4 a = -4 Simplifying a = -4

Solution

a = {0, 2.333333333, -4}

See similar equations:

| 6(x-1)=30 | | -140-10x=8x+22 | | 38=2.5a | | 7x+42=10x | | 12=2d+32 | | -3-3=4-3x+4x | | 4x-13=-78-9x | | 4.8x=-9.3-1.7x | | 82-3X=3X+16 | | 32=4g | | 2(m+4)+3(m-5)=8 | | -5w+2+6w=4+9 | | 3x-(2x)= | | 227-6x=30x+23 | | 8(2h+6)=12h+20 | | 4n^2+8n-140=0 | | 12-10x=107-45x | | 93-4x=23x+21 | | 8-8x=153-43x | | 2x+6=-27-9x | | 3(3x+4)-2x-5-7x=20 | | 6b^2+24b-192=0 | | 29*3= | | -2[4(k-2)-3(k+1)]=14+2k | | 3r^2=4r-1 | | 8y^2+17y+2=0 | | 4m^2-8m-192=0 | | 14t-28=7(t+6) | | 7x+42+4x+6=180 | | 3r^2-9r-30=0 | | 2x-8+4x-5=29 | | 6b^2+30b+36=0 |

Equations solver categories