1385560=-2.02x^2+77.87x+742

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Solution for 1385560=-2.02x^2+77.87x+742 equation:


Simplifying
1385560 = -2.02x2 + 77.87x + 742

Reorder the terms:
1385560 = 742 + 77.87x + -2.02x2

Solving
1385560 = 742 + 77.87x + -2.02x2

Solving for variable 'x'.

Combine like terms: 1385560 + -742 = 1384818
1384818 + -77.87x + 2.02x2 = 742 + 77.87x + -2.02x2 + -742 + -77.87x + 2.02x2

Reorder the terms:
1384818 + -77.87x + 2.02x2 = 742 + -742 + 77.87x + -77.87x + -2.02x2 + 2.02x2

Combine like terms: 742 + -742 = 0
1384818 + -77.87x + 2.02x2 = 0 + 77.87x + -77.87x + -2.02x2 + 2.02x2
1384818 + -77.87x + 2.02x2 = 77.87x + -77.87x + -2.02x2 + 2.02x2

Combine like terms: 77.87x + -77.87x = 0.00
1384818 + -77.87x + 2.02x2 = 0.00 + -2.02x2 + 2.02x2
1384818 + -77.87x + 2.02x2 = -2.02x2 + 2.02x2

Combine like terms: -2.02x2 + 2.02x2 = 0.00
1384818 + -77.87x + 2.02x2 = 0.00

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

Divide each side by '2.02'.
685553.4653 + -38.54950495x + x2 = 0

Move the constant term to the right:

Add '-685553.4653' to each side of the equation.
685553.4653 + -38.54950495x + -685553.4653 + x2 = 0 + -685553.4653

Reorder the terms:
685553.4653 + -685553.4653 + -38.54950495x + x2 = 0 + -685553.4653

Combine like terms: 685553.4653 + -685553.4653 = 0.0000
0.0000 + -38.54950495x + x2 = 0 + -685553.4653
-38.54950495x + x2 = 0 + -685553.4653

Combine like terms: 0 + -685553.4653 = -685553.4653
-38.54950495x + x2 = -685553.4653

The x term is -38.54950495x.  Take half its coefficient (-19.27475248).
Square it (371.5160832) and add it to both sides.

Add '371.5160832' to each side of the equation.
-38.54950495x + 371.5160832 + x2 = -685553.4653 + 371.5160832

Reorder the terms:
371.5160832 + -38.54950495x + x2 = -685553.4653 + 371.5160832

Combine like terms: -685553.4653 + 371.5160832 = -685181.9492168
371.5160832 + -38.54950495x + x2 = -685181.9492168

Factor a perfect square on the left side:
(x + -19.27475248)(x + -19.27475248) = -685181.9492168

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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