3v^2+2v-21=

Simple and best practice solution for 3v^2+2v-21= 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+2v-21= equation:


Simplifying
3v2 + 2v + -21 = 0

Reorder the terms:
-21 + 2v + 3v2 = 0

Solving
-21 + 2v + 3v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(-3 + -1v)(7 + -3v) = 0

Subproblem 1

Set the factor '(-3 + -1v)' equal to zero and attempt to solve: Simplifying -3 + -1v = 0 Solving -3 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1v = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1v = 0 + 3 -1v = 0 + 3 Combine like terms: 0 + 3 = 3 -1v = 3 Divide each side by '-1'. v = -3 Simplifying v = -3

Subproblem 2

Set the factor '(7 + -3v)' equal to zero and attempt to solve: Simplifying 7 + -3v = 0 Solving 7 + -3v = 0 Move all terms containing v to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -3v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3v = 0 + -7 -3v = 0 + -7 Combine like terms: 0 + -7 = -7 -3v = -7 Divide each side by '-3'. v = 2.333333333 Simplifying v = 2.333333333

Solution

v = {-3, 2.333333333}

See similar equations:

| Y+4=3y-2 | | 8x+16=-6-30x | | -2(2p+7)=-14-4p | | 9b-1+9b-1+24b+14=180 | | 5x-6y=3z | | x^2+2x-6=y | | -3(-7k-8)=-22-2k | | y=5xyz+5xy | | a=4000(1+11%*1) | | 5x+x-7= | | 2-6m=-4(2-m) | | 8-56=-7 | | -(-7n-3)-3=-6+8n | | 3x^2+12=174 | | 0.4(5+2x)-5=3(0.3x+0.7) | | Y-6+6=3(x+5)+6 | | 3n^2+9n-1512=0 | | -6(5v-6)+7v=6+36 | | 3x^2=174 | | p+66=22 | | (3x+13)+(4x)=90 | | 10b-45=3b+45 | | -56+24n+1n=28-3n | | 6n+3(5n-4)=12(n-5) | | 3(2x+12)+10=2(2x-6)+8 | | 9=m+11 | | 21=6r-7r | | -3.2x-1.5=-3.3 | | -22-8x=-6(x+6) | | y=4(-6)+22 | | 18-6x=3-3(1+5x) | | x+7=4(4x-2) |

Equations solver categories