p^2+19p+90=0

Solution for p^2+19p+90=0 equation:

Simplifying
p2 + 19p + 90 = 0

Reorder the terms:
90 + 19p + p2 = 0

Solving
90 + 19p + p2 = 0

Solving for variable 'p'.

Factor a trinomial.
(10 + p)(9 + p) = 0

Subproblem 1
Set the factor '(10 + p)' equal to zero and attempt to solve:

Simplifying
10 + p = 0

Solving
10 + p = 0

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

Add '-10' to each side of the equation.
10 + -10 + p = 0 + -10

Combine like terms: 10 + -10 = 0
0 + p = 0 + -10
p = 0 + -10

Combine like terms: 0 + -10 = -10
p = -10

Simplifying
p = -10
Subproblem 2
Set the factor '(9 + p)' equal to zero and attempt to solve:

Simplifying
9 + p = 0

Solving
9 + p = 0

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

Add '-9' to each side of the equation.
9 + -9 + p = 0 + -9

Combine like terms: 9 + -9 = 0
0 + p = 0 + -9
p = 0 + -9

Combine like terms: 0 + -9 = -9
p = -9

Simplifying
p = -9
Solution
p = {-10, -9}