20p^2-9p-20=0

Simple and best practice solution for 20p^2-9p-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 20p^2-9p-20=0 equation:


Simplifying
20p2 + -9p + -20 = 0

Reorder the terms:
-20 + -9p + 20p2 = 0

Solving
-20 + -9p + 20p2 = 0

Solving for variable 'p'.

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

Subproblem 1

Set the factor '(-4 + -5p)' equal to zero and attempt to solve: Simplifying -4 + -5p = 0 Solving -4 + -5p = 0 Move all terms containing p to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -5p = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -5p = 0 + 4 -5p = 0 + 4 Combine like terms: 0 + 4 = 4 -5p = 4 Divide each side by '-5'. p = -0.8 Simplifying p = -0.8

Subproblem 2

Set the factor '(5 + -4p)' equal to zero and attempt to solve: Simplifying 5 + -4p = 0 Solving 5 + -4p = 0 Move all terms containing p to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -4p = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4p = 0 + -5 -4p = 0 + -5 Combine like terms: 0 + -5 = -5 -4p = -5 Divide each side by '-4'. p = 1.25 Simplifying p = 1.25

Solution

p = {-0.8, 1.25}

See similar equations:

| x^4-x^3-42x^2=0 | | 3x+4=44 | | -9n+5(2+6n)=-7n-18 | | 3x+13y=635 | | 56(3x+7)=180 | | (9x-5)(-6x-4)= | | 5=-2 | | 5m-(m+6)=0 | | -2(-4)+(-18)= | | 18x=28x | | 1x=13 | | 4x-2=x-5 | | 6+p=3p-6 | | 11x^2-29=0 | | 2x+3y+3z=250 | | 1+2a+2=3a+12 | | (3+4N)*12N= | | 2y-27=6y+9 | | -5y=55 | | y^2+25=10y | | (3+4N)812N= | | 10z-25+5z-5=5z | | -2(d+5)=3(d-2) | | 0.2c+4=-9 | | 7=2(x+5) | | A=q+qtg | | 4x-5x=7 | | 4w+9=36 | | 13-4x=1-1x | | 2y=-88 | | log(3x-1)-2log(3x+1)=0 | | x^2-8x+5=x^2-8x+5 |

Equations solver categories