0=-2p^2-9p-4

Solution for 0=-2p^2-9p-4 equation:

Simplifying
0 = -2p2 + -9p + -4

Reorder the terms:
0 = -4 + -9p + -2p2

Solving
0 = -4 + -9p + -2p2

Solving for variable 'p'.

Combine like terms: 0 + 4 = 4
4 + 9p + 2p2 = -4 + -9p + -2p2 + 4 + 9p + 2p2

Reorder the terms:
4 + 9p + 2p2 = -4 + 4 + -9p + 9p + -2p2 + 2p2

Combine like terms: -4 + 4 = 0
4 + 9p + 2p2 = 0 + -9p + 9p + -2p2 + 2p2
4 + 9p + 2p2 = -9p + 9p + -2p2 + 2p2

Combine like terms: -9p + 9p = 0
4 + 9p + 2p2 = 0 + -2p2 + 2p2
4 + 9p + 2p2 = -2p2 + 2p2

Combine like terms: -2p2 + 2p2 = 0
4 + 9p + 2p2 = 0

Factor a trinomial.
(4 + p)(1 + 2p) = 0

Subproblem 1
Set the factor '(4 + p)' equal to zero and attempt to solve:

Simplifying
4 + p = 0

Solving
4 + p = 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 + p = 0 + -4

Combine like terms: 4 + -4 = 0
0 + p = 0 + -4
p = 0 + -4

Combine like terms: 0 + -4 = -4
p = -4

Simplifying
p = -4
Subproblem 2
Set the factor '(1 + 2p)' equal to zero and attempt to solve:

Simplifying
1 + 2p = 0

Solving
1 + 2p = 0

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

Add '-1' to each side of the equation.
1 + -1 + 2p = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 2p = 0 + -1
2p = 0 + -1

Combine like terms: 0 + -1 = -1
2p = -1

Divide each side by '2'.
p = -0.5

Simplifying
p = -0.5
Solution
p = {-4, -0.5}