8x^2+83x+240=0

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Solution for 8x^2+83x+240=0 equation:


Simplifying
8x2 + 83x + 240 = 0

Reorder the terms:
240 + 83x + 8x2 = 0

Solving
240 + 83x + 8x2 = 0

Solving for variable 'x'.

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

Divide each side by '8'.
30 + 10.375x + x2 = 0

Move the constant term to the right:

Add '-30' to each side of the equation.
30 + 10.375x + -30 + x2 = 0 + -30

Reorder the terms:
30 + -30 + 10.375x + x2 = 0 + -30

Combine like terms: 30 + -30 = 0
0 + 10.375x + x2 = 0 + -30
10.375x + x2 = 0 + -30

Combine like terms: 0 + -30 = -30
10.375x + x2 = -30

The x term is 10.375x.  Take half its coefficient (5.1875).
Square it (26.91015625) and add it to both sides.

Add '26.91015625' to each side of the equation.
10.375x + 26.91015625 + x2 = -30 + 26.91015625

Reorder the terms:
26.91015625 + 10.375x + x2 = -30 + 26.91015625

Combine like terms: -30 + 26.91015625 = -3.08984375
26.91015625 + 10.375x + x2 = -3.08984375

Factor a perfect square on the left side:
(x + 5.1875)(x + 5.1875) = -3.08984375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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