3x^2+10x+63=

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Solution for 3x^2+10x+63= equation:


Simplifying
3x2 + 10x + 63 = 0

Reorder the terms:
63 + 10x + 3x2 = 0

Solving
63 + 10x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
21 + 3.333333333x + x2 = 0

Move the constant term to the right:

Add '-21' to each side of the equation.
21 + 3.333333333x + -21 + x2 = 0 + -21

Reorder the terms:
21 + -21 + 3.333333333x + x2 = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 3.333333333x + x2 = 0 + -21
3.333333333x + x2 = 0 + -21

Combine like terms: 0 + -21 = -21
3.333333333x + x2 = -21

The x term is 3.333333333x.  Take half its coefficient (1.666666667).
Square it (2.777777779) and add it to both sides.

Add '2.777777779' to each side of the equation.
3.333333333x + 2.777777779 + x2 = -21 + 2.777777779

Reorder the terms:
2.777777779 + 3.333333333x + x2 = -21 + 2.777777779

Combine like terms: -21 + 2.777777779 = -18.222222221
2.777777779 + 3.333333333x + x2 = -18.222222221

Factor a perfect square on the left side:
(x + 1.666666667)(x + 1.666666667) = -18.222222221

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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