v^2+v-20=0

Simple and best practice solution for v^2+v-20=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 v^2+v-20=0 equation:


Simplifying
v2 + v + -20 = 0

Reorder the terms:
-20 + v + v2 = 0

Solving
-20 + v + v2 = 0

Solving for variable 'v'.

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

Subproblem 1

Set the factor '(-5 + -1v)' equal to zero and attempt to solve: Simplifying -5 + -1v = 0 Solving -5 + -1v = 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 + -1v = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1v = 0 + 5 -1v = 0 + 5 Combine like terms: 0 + 5 = 5 -1v = 5 Divide each side by '-1'. v = -5 Simplifying v = -5

Subproblem 2

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

Solution

v = {-5, 4}

See similar equations:

| 8n^2-0.222=0 | | 8n^2-0.2222222=0 | | -7+17+9x+17=4 | | -x-3=4-9 | | .5(b)(b-5)=42 | | 2x^2+23x+11=0 | | -48=2(x+3) | | 5(4x-2)=20x-10 | | 53a-(36a+31)= | | 16x^2-49y^2=0 | | 5x^2+20x+3=0 | | 3x+4=2x-3 | | 3+1=4(x+2) | | 9apes=4bears | | 4(a+3)-7a=6a-21 | | (6y^3)(6y^8+9y^7)= | | 16z=16z+8 | | 8x+5y=-4 | | -2-5y=14 | | (x)(x+1)=43 | | (-x^4y^9z^9)(3xy^2)= | | a-5=6 | | 12f-18=13+18 | | (x+5)(x)=42 | | 4a+3+-7=6a+-21 | | 4x=12x | | 4x=3(4x) | | (-x^4y^6z^6)(3xy^2)= | | -21=2x | | x=17 | | 3y+5=26 | | -5=15y+5 |

Equations solver categories