42x^2+41x+15=0

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Solution for 42x^2+41x+15=0 equation:


Simplifying
42x2 + 41x + 15 = 0

Reorder the terms:
15 + 41x + 42x2 = 0

Solving
15 + 41x + 42x2 = 0

Solving for variable 'x'.

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

Divide each side by '42'.
0.3571428571 + 0.9761904762x + x2 = 0

Move the constant term to the right:

Add '-0.3571428571' to each side of the equation.
0.3571428571 + 0.9761904762x + -0.3571428571 + x2 = 0 + -0.3571428571

Reorder the terms:
0.3571428571 + -0.3571428571 + 0.9761904762x + x2 = 0 + -0.3571428571

Combine like terms: 0.3571428571 + -0.3571428571 = 0.0000000000
0.0000000000 + 0.9761904762x + x2 = 0 + -0.3571428571
0.9761904762x + x2 = 0 + -0.3571428571

Combine like terms: 0 + -0.3571428571 = -0.3571428571
0.9761904762x + x2 = -0.3571428571

The x term is 0.9761904762x.  Take half its coefficient (0.4880952381).
Square it (0.2382369615) and add it to both sides.

Add '0.2382369615' to each side of the equation.
0.9761904762x + 0.2382369615 + x2 = -0.3571428571 + 0.2382369615

Reorder the terms:
0.2382369615 + 0.9761904762x + x2 = -0.3571428571 + 0.2382369615

Combine like terms: -0.3571428571 + 0.2382369615 = -0.1189058956
0.2382369615 + 0.9761904762x + x2 = -0.1189058956

Factor a perfect square on the left side:
(x + 0.4880952381)(x + 0.4880952381) = -0.1189058956

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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