6p^2-2p-8p+21=

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Solution for 6p^2-2p-8p+21= equation:


Simplifying
6p2 + -2p + -8p + 21 = 0

Reorder the terms:
21 + -2p + -8p + 6p2 = 0

Combine like terms: -2p + -8p = -10p
21 + -10p + 6p2 = 0

Solving
21 + -10p + 6p2 = 0

Solving for variable 'p'.

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

Divide each side by '6'.
3.5 + -1.666666667p + p2 = 0

Move the constant term to the right:

Add '-3.5' to each side of the equation.
3.5 + -1.666666667p + -3.5 + p2 = 0 + -3.5

Reorder the terms:
3.5 + -3.5 + -1.666666667p + p2 = 0 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + -1.666666667p + p2 = 0 + -3.5
-1.666666667p + p2 = 0 + -3.5

Combine like terms: 0 + -3.5 = -3.5
-1.666666667p + p2 = -3.5

The p term is -1.666666667p.  Take half its coefficient (-0.8333333335).
Square it (0.6944444447) and add it to both sides.

Add '0.6944444447' to each side of the equation.
-1.666666667p + 0.6944444447 + p2 = -3.5 + 0.6944444447

Reorder the terms:
0.6944444447 + -1.666666667p + p2 = -3.5 + 0.6944444447

Combine like terms: -3.5 + 0.6944444447 = -2.8055555553
0.6944444447 + -1.666666667p + p2 = -2.8055555553

Factor a perfect square on the left side:
(p + -0.8333333335)(p + -0.8333333335) = -2.8055555553

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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