5a^2-18a-8=0

Simple and best practice solution for 5a^2-18a-8=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 5a^2-18a-8=0 equation:


Simplifying
5a2 + -18a + -8 = 0

Reorder the terms:
-8 + -18a + 5a2 = 0

Solving
-8 + -18a + 5a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(-2 + -5a)(4 + -1a) = 0

Subproblem 1

Set the factor '(-2 + -5a)' equal to zero and attempt to solve: Simplifying -2 + -5a = 0 Solving -2 + -5a = 0 Move all terms containing a to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -5a = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -5a = 0 + 2 -5a = 0 + 2 Combine like terms: 0 + 2 = 2 -5a = 2 Divide each side by '-5'. a = -0.4 Simplifying a = -0.4

Subproblem 2

Set the factor '(4 + -1a)' equal to zero and attempt to solve: Simplifying 4 + -1a = 0 Solving 4 + -1a = 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 + -1a = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1a = 0 + -4 -1a = 0 + -4 Combine like terms: 0 + -4 = -4 -1a = -4 Divide each side by '-1'. a = 4 Simplifying a = 4

Solution

a = {-0.4, 4}

See similar equations:

| 10x^2+9x-92= | | 3(20-b)=36 | | -2x=1 | | 4(3-x)-(6x+9)=-12 | | 5(x+9)+9=19 | | 2x-6=85-11x | | 5-3X+9=2 | | c^2-121=0 | | 2x+5/3=6 | | 3b^2-2b-8=0 | | .33333333k-4=9 | | 10y^2+47y+42=0 | | (7x+4)=(65-5x) | | -y-22=y+16 | | lX-5l=4 | | 5(n-5)=15 | | 2(7u-3)-(u+9)-3(2u+1)=24 | | 5+3p-(5p+3)-(4p+4)= | | 2(3x+4)=6-7x | | 4x+x=-25 | | 6r+r-5r= | | 2x+8.5=18 | | 6x+7=5x+17 | | 3y-2(6+5y)=-5 | | 6m^5n^3-42m^4n^2=0 | | y+27+3z= | | x+8.5=18 | | 4.7x+6.2=4.61 | | 10y+3=6y+12 | | x+11+x=-43 | | x/(x-2)=0 | | 9a=6a+24 |

Equations solver categories