10x^2+5x+8=2

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Solution for 10x^2+5x+8=2 equation:


Simplifying
10x2 + 5x + 8 = 2

Reorder the terms:
8 + 5x + 10x2 = 2

Solving
8 + 5x + 10x2 = 2

Solving for variable 'x'.

Reorder the terms:
8 + -2 + 5x + 10x2 = 2 + -2

Combine like terms: 8 + -2 = 6
6 + 5x + 10x2 = 2 + -2

Combine like terms: 2 + -2 = 0
6 + 5x + 10x2 = 0

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

Divide each side by '10'.
0.6 + 0.5x + x2 = 0

Move the constant term to the right:

Add '-0.6' to each side of the equation.
0.6 + 0.5x + -0.6 + x2 = 0 + -0.6

Reorder the terms:
0.6 + -0.6 + 0.5x + x2 = 0 + -0.6

Combine like terms: 0.6 + -0.6 = 0.0
0.0 + 0.5x + x2 = 0 + -0.6
0.5x + x2 = 0 + -0.6

Combine like terms: 0 + -0.6 = -0.6
0.5x + x2 = -0.6

The x term is 0.5x.  Take half its coefficient (0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
0.5x + 0.0625 + x2 = -0.6 + 0.0625

Reorder the terms:
0.0625 + 0.5x + x2 = -0.6 + 0.0625

Combine like terms: -0.6 + 0.0625 = -0.5375
0.0625 + 0.5x + x2 = -0.5375

Factor a perfect square on the left side:
(x + 0.25)(x + 0.25) = -0.5375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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