30x-4.4x*x-70=0

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Solution for 30x-4.4x*x-70=0 equation: 


Simplifying
30x + -4.4x * x + -70 = 0

Multiply x * x
30x + -4.4x2 + -70 = 0

Reorder the terms:
-70 + 30x + -4.4x2 = 0

Solving
-70 + 30x + -4.4x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-4.4 the coefficient of the squared term: 

Divide each side by '-4.4'.
15.90909091 + -6.818181818x + x2 = 0

Move the constant term to the right:

Add '-15.90909091' to each side of the equation.
15.90909091 + -6.818181818x + -15.90909091 + x2 = 0 + -15.90909091

Reorder the terms:
15.90909091 + -15.90909091 + -6.818181818x + x2 = 0 + -15.90909091

Combine like terms: 15.90909091 + -15.90909091 = 0.00000000
0.00000000 + -6.818181818x + x2 = 0 + -15.90909091
-6.818181818x + x2 = 0 + -15.90909091

Combine like terms: 0 + -15.90909091 = -15.90909091
-6.818181818x + x2 = -15.90909091

The x term is -6.818181818x.  Take half its coefficient (-3.409090909).
Square it (11.62190083) and add it to both sides.

Add '11.62190083' to each side of the equation.
-6.818181818x + 11.62190083 + x2 = -15.90909091 + 11.62190083

Reorder the terms:
11.62190083 + -6.818181818x + x2 = -15.90909091 + 11.62190083

Combine like terms: -15.90909091 + 11.62190083 = -4.28719008
11.62190083 + -6.818181818x + x2 = -4.28719008

Factor a perfect square on the left side:
(x + -3.409090909)(x + -3.409090909) = -4.28719008

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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