(5v-4)(9-v)=0

Simple and best practice solution for (5v-4)(9-v)=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-4)(9-v)=0 equation: 


Simplifying
(5v + -4)(9 + -1v) = 0

Reorder the terms:
(-4 + 5v)(9 + -1v) = 0

Multiply (-4 + 5v) * (9 + -1v)
(-4(9 + -1v) + 5v * (9 + -1v)) = 0
((9 * -4 + -1v * -4) + 5v * (9 + -1v)) = 0
((-36 + 4v) + 5v * (9 + -1v)) = 0
(-36 + 4v + (9 * 5v + -1v * 5v)) = 0
(-36 + 4v + (45v + -5v2)) = 0

Combine like terms: 4v + 45v = 49v
(-36 + 49v + -5v2) = 0

Solving
-36 + 49v + -5v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(-9 + v)(4 + -5v) = 0


Subproblem 1
Set the factor '(-9 + v)' equal to zero and attempt to solve:

Simplifying
-9 + v = 0

Solving
-9 + v = 0

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

Add '9' to each side of the equation.
-9 + 9 + v = 0 + 9

Combine like terms: -9 + 9 = 0
0 + v = 0 + 9
v = 0 + 9

Combine like terms: 0 + 9 = 9
v = 9

Simplifying
v = 9

Subproblem 2
Set the factor '(4 + -5v)' equal to zero and attempt to solve:

Simplifying
4 + -5v = 0

Solving
4 + -5v = 0

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

Add '-4' to each side of the equation.
4 + -4 + -5v = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -5v = 0 + -4
-5v = 0 + -4

Combine like terms: 0 + -4 = -4
-5v = -4

Divide each side by '-5'.
v = 0.8

Simplifying
v = 0.8
Solution
v = {9, 0.8}

See similar equations:

| -11=18+s | | 1177=3.268x^2-45.733+277.91 | | 3(z+7)(-z-1)=0 | | (8+u)(5u-3)=0 | | 1638.25=3.604x^2+27.626x-26.714 | | (5y-4)(6+y)=0 | | x^3+9x^2=0 | | 4v(v+6)(v-1)=0 | | 3(e^7x+2)-5=10 | | 3y=2x+3y | | 4-x^6=0 | | 3x^2+2x+5= | | -2.1t+1.4=14 | | 2x-4=4x+3 | | 7(-0.3t+0.2)=0 | | 7+7x=9x-13 | | 4x-2=0 | | -2.1t+1.4=0 | | 0=2x^2+8 | | 6b*6b-24b+24=x | | 2.1t+1.4=0 | | 7(x+5)=77 | | 2.1t+4.1=0 | | 5c+3=0 | | 5x+8+6x+4= | | 16c-6c= | | 3n^3+3n^2-4=0 | | 4x^2-51x=-40 | | 8x+25=11 | | x^2+x-6=60 | | y+15y+5y= | | (3.5t)-2=4+7t |

Equations solver categories