419.8-7x^2=11x+2069.76

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Solution for 419.8-7x^2=11x+2069.76 equation:


Simplifying
419.8 + -7x2 = 11x + 2069.76

Reorder the terms:
419.8 + -7x2 = 2069.76 + 11x

Solving
419.8 + -7x2 = 2069.76 + 11x

Solving for variable 'x'.

Reorder the terms:
419.8 + -2069.76 + -11x + -7x2 = 2069.76 + 11x + -2069.76 + -11x

Combine like terms: 419.8 + -2069.76 = -1649.96
-1649.96 + -11x + -7x2 = 2069.76 + 11x + -2069.76 + -11x

Reorder the terms:
-1649.96 + -11x + -7x2 = 2069.76 + -2069.76 + 11x + -11x

Combine like terms: 2069.76 + -2069.76 = 0.00
-1649.96 + -11x + -7x2 = 0.00 + 11x + -11x
-1649.96 + -11x + -7x2 = 11x + -11x

Combine like terms: 11x + -11x = 0
-1649.96 + -11x + -7x2 = 0

Begin completing the square.  Divide all terms by
-7 the coefficient of the squared term: 

Divide each side by '-7'.
235.7085714 + 1.571428571x + x2 = 0

Move the constant term to the right:

Add '-235.7085714' to each side of the equation.
235.7085714 + 1.571428571x + -235.7085714 + x2 = 0 + -235.7085714

Reorder the terms:
235.7085714 + -235.7085714 + 1.571428571x + x2 = 0 + -235.7085714

Combine like terms: 235.7085714 + -235.7085714 = 0.0000000
0.0000000 + 1.571428571x + x2 = 0 + -235.7085714
1.571428571x + x2 = 0 + -235.7085714

Combine like terms: 0 + -235.7085714 = -235.7085714
1.571428571x + x2 = -235.7085714

The x term is 1.571428571x.  Take half its coefficient (0.7857142855).
Square it (0.6173469384) and add it to both sides.

Add '0.6173469384' to each side of the equation.
1.571428571x + 0.6173469384 + x2 = -235.7085714 + 0.6173469384

Reorder the terms:
0.6173469384 + 1.571428571x + x2 = -235.7085714 + 0.6173469384

Combine like terms: -235.7085714 + 0.6173469384 = -235.0912244616
0.6173469384 + 1.571428571x + x2 = -235.0912244616

Factor a perfect square on the left side:
(x + 0.7857142855)(x + 0.7857142855) = -235.0912244616

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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