-63=-p^2+2p

Solution for -63=-p^2+2p equation:

Simplifying
-63 = -1p2 + 2p

Reorder the terms:
-63 = 2p + -1p2

Solving
-63 = 2p + -1p2

Solving for variable 'p'.

Reorder the terms:
-63 + -2p + p2 = 2p + -2p + -1p2 + p2

Combine like terms: 2p + -2p = 0
-63 + -2p + p2 = 0 + -1p2 + p2
-63 + -2p + p2 = -1p2 + p2

Combine like terms: -1p2 + p2 = 0
-63 + -2p + p2 = 0

Factor a trinomial.
(-7 + -1p)(9 + -1p) = 0

Subproblem 1
Set the factor '(-7 + -1p)' equal to zero and attempt to solve:

Simplifying
-7 + -1p = 0

Solving
-7 + -1p = 0

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

Add '7' to each side of the equation.
-7 + 7 + -1p = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -1p = 0 + 7
-1p = 0 + 7

Combine like terms: 0 + 7 = 7
-1p = 7

Divide each side by '-1'.
p = -7

Simplifying
p = -7
Subproblem 2
Set the factor '(9 + -1p)' equal to zero and attempt to solve:

Simplifying
9 + -1p = 0

Solving
9 + -1p = 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 + -1p = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -1p = 0 + -9
-1p = 0 + -9

Combine like terms: 0 + -9 = -9
-1p = -9

Divide each side by '-1'.
p = 9

Simplifying
p = 9
Solution
p = {-7, 9}