5x-4.9x^2=1.5

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Solution for 5x-4.9x^2=1.5 equation:


Simplifying
5x + -4.9x2 = 1.5

Solving
5x + -4.9x2 = 1.5

Solving for variable 'x'.

Reorder the terms:
-1.5 + 5x + -4.9x2 = 1.5 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
-1.5 + 5x + -4.9x2 = 0.0

Begin completing the square.  Divide all terms by
-4.9 the coefficient of the squared term: 

Divide each side by '-4.9'.
0.306122449 + -1.020408163x + x2 = 0

Move the constant term to the right:

Add '-0.306122449' to each side of the equation.
0.306122449 + -1.020408163x + -0.306122449 + x2 = 0 + -0.306122449

Reorder the terms:
0.306122449 + -0.306122449 + -1.020408163x + x2 = 0 + -0.306122449

Combine like terms: 0.306122449 + -0.306122449 = 0.000000000
0.000000000 + -1.020408163x + x2 = 0 + -0.306122449
-1.020408163x + x2 = 0 + -0.306122449

Combine like terms: 0 + -0.306122449 = -0.306122449
-1.020408163x + x2 = -0.306122449

The x term is -1.020408163x.  Take half its coefficient (-0.5102040815).
Square it (0.2603082048) and add it to both sides.

Add '0.2603082048' to each side of the equation.
-1.020408163x + 0.2603082048 + x2 = -0.306122449 + 0.2603082048

Reorder the terms:
0.2603082048 + -1.020408163x + x2 = -0.306122449 + 0.2603082048

Combine like terms: -0.306122449 + 0.2603082048 = -0.0458142442
0.2603082048 + -1.020408163x + x2 = -0.0458142442

Factor a perfect square on the left side:
(x + -0.5102040815)(x + -0.5102040815) = -0.0458142442

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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