8-5a^2-39a=0

Simple and best practice solution for 8-5a^2-39a=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 8-5a^2-39a=0 equation:


Simplifying
8 + -5a2 + -39a = 0

Reorder the terms:
8 + -39a + -5a2 = 0

Solving
8 + -39a + -5a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(1 + -5a)(8 + a) = 0

Subproblem 1

Set the factor '(1 + -5a)' equal to zero and attempt to solve: Simplifying 1 + -5a = 0 Solving 1 + -5a = 0 Move all terms containing a to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -5a = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -5a = 0 + -1 -5a = 0 + -1 Combine like terms: 0 + -1 = -1 -5a = -1 Divide each side by '-5'. a = 0.2 Simplifying a = 0.2

Subproblem 2

Set the factor '(8 + a)' equal to zero and attempt to solve: Simplifying 8 + a = 0 Solving 8 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + a = 0 + -8 Combine like terms: 8 + -8 = 0 0 + a = 0 + -8 a = 0 + -8 Combine like terms: 0 + -8 = -8 a = -8 Simplifying a = -8

Solution

a = {0.2, -8}

See similar equations:

| 9x+2-5x^2=0 | | 3c-11d-(5c-21d)= | | 4+7-4*2squared=40 | | 5x+4=-4 | | 4x-7=-20 | | -3-5=3x+5x-10 | | -4+40+x+50=180 | | x*x+2y=60 | | 20x-4y=-22 | | 3x+5y=110 | | 45x^2+20x+15= | | -3(-5)=8x(-10) | | 2x+3+3x-226=180 | | 2.5x^3-X^2-1=0 | | -5.4-4x-3.5-x=-4x+5.3 | | 3x+4y+5z=5 | | n-12=-8+2n | | 3(2h+1)= | | 3x^4-4x^3-12x^2+15=0 | | -3(-5)=3x(-5)(-10) | | 8x-2=1+5x | | 3x(11-8)+7-11= | | -6x+(-3x)=24 | | -21+-9b=-6b-3 | | 0(13n)=0 | | -6x+-3x=24 | | -3x+-3x=24 | | (2a+2b)(ab-2)=0 | | (2a+2b)(ab-2)=1 | | 7x^2-46x+24= | | 7x^2-48x+24= | | y+7=82 |

Equations solver categories