4X+4*7X^2+2X+5=

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Solution for 4X+4*7X^2+2X+5= equation:


Simplifying
4X + 4 * 7X2 + 2X + 5 = 0

Multiply 4 * 7
4X + 28X2 + 2X + 5 = 0

Reorder the terms:
5 + 4X + 2X + 28X2 = 0

Combine like terms: 4X + 2X = 6X
5 + 6X + 28X2 = 0

Solving
5 + 6X + 28X2 = 0

Solving for variable 'X'.

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

Divide each side by '28'.
0.1785714286 + 0.2142857143X + X2 = 0

Move the constant term to the right:

Add '-0.1785714286' to each side of the equation.
0.1785714286 + 0.2142857143X + -0.1785714286 + X2 = 0 + -0.1785714286

Reorder the terms:
0.1785714286 + -0.1785714286 + 0.2142857143X + X2 = 0 + -0.1785714286

Combine like terms: 0.1785714286 + -0.1785714286 = 0.0000000000
0.0000000000 + 0.2142857143X + X2 = 0 + -0.1785714286
0.2142857143X + X2 = 0 + -0.1785714286

Combine like terms: 0 + -0.1785714286 = -0.1785714286
0.2142857143X + X2 = -0.1785714286

The X term is 0.2142857143X.  Take half its coefficient (0.1071428572).
Square it (0.01147959185) and add it to both sides.

Add '0.01147959185' to each side of the equation.
0.2142857143X + 0.01147959185 + X2 = -0.1785714286 + 0.01147959185

Reorder the terms:
0.01147959185 + 0.2142857143X + X2 = -0.1785714286 + 0.01147959185

Combine like terms: -0.1785714286 + 0.01147959185 = -0.16709183675
0.01147959185 + 0.2142857143X + X2 = -0.16709183675

Factor a perfect square on the left side:
(X + 0.1071428572)(X + 0.1071428572) = -0.16709183675

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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