-5v^2-8v+4=0

Simple and best practice solution for -5v^2-8v+4=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 -5v^2-8v+4=0 equation: 


Simplifying
-5v2 + -8v + 4 = 0

Reorder the terms:
4 + -8v + -5v2 = 0

Solving
4 + -8v + -5v2 = 0

Solving for variable 'v'.

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


Subproblem 1
Set the factor '(2 + -5v)' equal to zero and attempt to solve:

Simplifying
2 + -5v = 0

Solving
2 + -5v = 0

Move all terms containing v to the left, all other terms to the right.

Add '-2' to each side of the equation.
2 + -2 + -5v = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -5v = 0 + -2
-5v = 0 + -2

Combine like terms: 0 + -2 = -2
-5v = -2

Divide each side by '-5'.
v = 0.4

Simplifying
v = 0.4

Subproblem 2
Set the factor '(2 + v)' equal to zero and attempt to solve:

Simplifying
2 + v = 0

Solving
2 + v = 0

Move all terms containing v to the left, all other terms to the right.

Add '-2' to each side of the equation.
2 + -2 + v = 0 + -2

Combine like terms: 2 + -2 = 0
0 + v = 0 + -2
v = 0 + -2

Combine like terms: 0 + -2 = -2
v = -2

Simplifying
v = -2
Solution
v = {0.4, -2}

See similar equations:

| -7v+4(v+2)=2 | | -5v^2-8u+4=0 | | -3y^2+39y-36=0 | | -7/5w=49 | | -w^2-w+20=0 | | -3u^2-14u-15=0 | | -7x^2+36x-5= | | -7w^2-18w+9=0 | | -5u^2-20u+60=0 | | 6x^2-x=40 | | 30-20%= | | 1x+45=1282-2x | | -29x+13y=11 | | 1x+45=602 | | -w^2+12x-20=0 | | w^2+12x-20=0 | | -2x^2-13x-15=0 | | s^2+16s=0 | | 6x^2-38x+40= | | 4+x/3=10-x/4 | | 5+ln(x+5)=6 | | x^2+y^2=-12y | | 6*(x+1)=2*(5+3*x) | | X+6-7=-7 | | 6x-13+5x-8= | | 8y-3x=0 | | 12+a=16 | | -3x^2-24x-36=0 | | 20y^2-13y-21=0 | | 2a^2-11a+12= | | -7(-4u+y-3)= | | 12+4=16 |

Equations solver categories