7p^2+9p+20=0

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Solution for 7p^2+9p+20=0 equation:


Simplifying
7p2 + 9p + 20 = 0

Reorder the terms:
20 + 9p + 7p2 = 0

Solving
20 + 9p + 7p2 = 0

Solving for variable 'p'.

Begin completing the square.  Divide all terms by
7 the coefficient of the squared term: 

Divide each side by '7'.
2.857142857 + 1.285714286p + p2 = 0

Move the constant term to the right:

Add '-2.857142857' to each side of the equation.
2.857142857 + 1.285714286p + -2.857142857 + p2 = 0 + -2.857142857

Reorder the terms:
2.857142857 + -2.857142857 + 1.285714286p + p2 = 0 + -2.857142857

Combine like terms: 2.857142857 + -2.857142857 = 0.000000000
0.000000000 + 1.285714286p + p2 = 0 + -2.857142857
1.285714286p + p2 = 0 + -2.857142857

Combine like terms: 0 + -2.857142857 = -2.857142857
1.285714286p + p2 = -2.857142857

The p term is 1.285714286p.  Take half its coefficient (0.642857143).
Square it (0.4132653063) and add it to both sides.

Add '0.4132653063' to each side of the equation.
1.285714286p + 0.4132653063 + p2 = -2.857142857 + 0.4132653063

Reorder the terms:
0.4132653063 + 1.285714286p + p2 = -2.857142857 + 0.4132653063

Combine like terms: -2.857142857 + 0.4132653063 = -2.4438775507
0.4132653063 + 1.285714286p + p2 = -2.4438775507

Factor a perfect square on the left side:
(p + 0.642857143)(p + 0.642857143) = -2.4438775507

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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