30=-p^2+p

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Solution for 30=-p^2+p equation:


Simplifying
30 = -1p2 + p

Reorder the terms:
30 = p + -1p2

Solving
30 = p + -1p2

Solving for variable 'p'.

Reorder the terms:
30 + -1p + p2 = p + -1p + -1p2 + p2

Combine like terms: p + -1p = 0
30 + -1p + p2 = 0 + -1p2 + p2
30 + -1p + p2 = -1p2 + p2

Combine like terms: -1p2 + p2 = 0
30 + -1p + p2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-30' to each side of the equation.
30 + -1p + -30 + p2 = 0 + -30

Reorder the terms:
30 + -30 + -1p + p2 = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -1p + p2 = 0 + -30
-1p + p2 = 0 + -30

Combine like terms: 0 + -30 = -30
-1p + p2 = -30

The p term is -1p.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1p + 0.25 + p2 = -30 + 0.25

Reorder the terms:
0.25 + -1p + p2 = -30 + 0.25

Combine like terms: -30 + 0.25 = -29.75
0.25 + -1p + p2 = -29.75

Factor a perfect square on the left side:
(p + -0.5)(p + -0.5) = -29.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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