3v^2=-7v+20

Simple and best practice solution for 3v^2=-7v+20 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 3v^2=-7v+20 equation:


Simplifying
3v2 = -7v + 20

Reorder the terms:
3v2 = 20 + -7v

Solving
3v2 = 20 + -7v

Solving for variable 'v'.

Reorder the terms:
-20 + 7v + 3v2 = 20 + -7v + -20 + 7v

Reorder the terms:
-20 + 7v + 3v2 = 20 + -20 + -7v + 7v

Combine like terms: 20 + -20 = 0
-20 + 7v + 3v2 = 0 + -7v + 7v
-20 + 7v + 3v2 = -7v + 7v

Combine like terms: -7v + 7v = 0
-20 + 7v + 3v2 = 0

Factor a trinomial.
(-4 + -1v)(5 + -3v) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(5 + -3v)' equal to zero and attempt to solve: Simplifying 5 + -3v = 0 Solving 5 + -3v = 0 Move all terms containing v to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -3v = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3v = 0 + -5 -3v = 0 + -5 Combine like terms: 0 + -5 = -5 -3v = -5 Divide each side by '-3'. v = 1.666666667 Simplifying v = 1.666666667

Solution

v = {-4, 1.666666667}

See similar equations:

| tg^2=1 | | 7x-6x-19=17 | | 0.22x+0.6(x-8)=0.01(2x-3) | | 0.5x-5y=4 | | 1.5x+3=2(x-2,5) | | 0.6z+4.4=0.2z+8 | | 11x-194-x=76 | | 1-3(x+3)=10 | | 7n^2-2=13n | | 5x+x+96=180 | | 1-2x+5=5 | | -4*-2p*3x= | | 7x+3x-229=101 | | 5-x=5x+3 | | H=-2t+8t | | -10x^2+35x-15=0 | | (x+3)(8x^2-9x-15)=0 | | 0=-16x^2+96x-96 | | H=2t+8t | | -8x+5x-62=40 | | x-2=4(x+7) | | y=60-2x | | 8x^3+15x^2-42x-45=0 | | N^2-16n+4=0 | | 12x+100=16x | | R^2-5r^2-14=0 | | -117+10x+x=70 | | 4c(3m)=34 | | 3x^2+15x=3x | | 3x^2+15x=x | | -12=12n | | 4x+58=5x-40 |

Equations solver categories