-3.5x^2+4.7x-2.9=0

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Solution for -3.5x^2+4.7x-2.9=0 equation:


Simplifying
-3.5x2 + 4.7x + -2.9 = 0

Reorder the terms:
-2.9 + 4.7x + -3.5x2 = 0

Solving
-2.9 + 4.7x + -3.5x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-3.5 the coefficient of the squared term: 

Divide each side by '-3.5'.
0.8285714286 + -1.342857143x + x2 = 0

Move the constant term to the right:

Add '-0.8285714286' to each side of the equation.
0.8285714286 + -1.342857143x + -0.8285714286 + x2 = 0 + -0.8285714286

Reorder the terms:
0.8285714286 + -0.8285714286 + -1.342857143x + x2 = 0 + -0.8285714286

Combine like terms: 0.8285714286 + -0.8285714286 = 0.0000000000
0.0000000000 + -1.342857143x + x2 = 0 + -0.8285714286
-1.342857143x + x2 = 0 + -0.8285714286

Combine like terms: 0 + -0.8285714286 = -0.8285714286
-1.342857143x + x2 = -0.8285714286

The x term is -1.342857143x.  Take half its coefficient (-0.6714285715).
Square it (0.4508163266) and add it to both sides.

Add '0.4508163266' to each side of the equation.
-1.342857143x + 0.4508163266 + x2 = -0.8285714286 + 0.4508163266

Reorder the terms:
0.4508163266 + -1.342857143x + x2 = -0.8285714286 + 0.4508163266

Combine like terms: -0.8285714286 + 0.4508163266 = -0.377755102
0.4508163266 + -1.342857143x + x2 = -0.377755102

Factor a perfect square on the left side:
(x + -0.6714285715)(x + -0.6714285715) = -0.377755102

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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