2x^2+42x+363=0

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Solution for 2x^2+42x+363=0 equation:


Simplifying
2x2 + 42x + 363 = 0

Reorder the terms:
363 + 42x + 2x2 = 0

Solving
363 + 42x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
181.5 + 21x + x2 = 0

Move the constant term to the right:

Add '-181.5' to each side of the equation.
181.5 + 21x + -181.5 + x2 = 0 + -181.5

Reorder the terms:
181.5 + -181.5 + 21x + x2 = 0 + -181.5

Combine like terms: 181.5 + -181.5 = 0.0
0.0 + 21x + x2 = 0 + -181.5
21x + x2 = 0 + -181.5

Combine like terms: 0 + -181.5 = -181.5
21x + x2 = -181.5

The x term is 21x.  Take half its coefficient (10.5).
Square it (110.25) and add it to both sides.

Add '110.25' to each side of the equation.
21x + 110.25 + x2 = -181.5 + 110.25

Reorder the terms:
110.25 + 21x + x2 = -181.5 + 110.25

Combine like terms: -181.5 + 110.25 = -71.25
110.25 + 21x + x2 = -71.25

Factor a perfect square on the left side:
(x + 10.5)(x + 10.5) = -71.25

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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