-10p^2+8p=7

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Solution for -10p^2+8p=7 equation:


Simplifying
-10p2 + 8p = 7

Reorder the terms:
8p + -10p2 = 7

Solving
8p + -10p2 = 7

Solving for variable 'p'.

Reorder the terms:
-7 + 8p + -10p2 = 7 + -7

Combine like terms: 7 + -7 = 0
-7 + 8p + -10p2 = 0

Begin completing the square.  Divide all terms by
-10 the coefficient of the squared term: 

Divide each side by '-10'.
0.7 + -0.8p + p2 = 0

Move the constant term to the right:

Add '-0.7' to each side of the equation.
0.7 + -0.8p + -0.7 + p2 = 0 + -0.7

Reorder the terms:
0.7 + -0.7 + -0.8p + p2 = 0 + -0.7

Combine like terms: 0.7 + -0.7 = 0.0
0.0 + -0.8p + p2 = 0 + -0.7
-0.8p + p2 = 0 + -0.7

Combine like terms: 0 + -0.7 = -0.7
-0.8p + p2 = -0.7

The p term is -0.8p.  Take half its coefficient (-0.4).
Square it (0.16) and add it to both sides.

Add '0.16' to each side of the equation.
-0.8p + 0.16 + p2 = -0.7 + 0.16

Reorder the terms:
0.16 + -0.8p + p2 = -0.7 + 0.16

Combine like terms: -0.7 + 0.16 = -0.54
0.16 + -0.8p + p2 = -0.54

Factor a perfect square on the left side:
(p + -0.4)(p + -0.4) = -0.54

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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