-3x^2+2+9x-5-4x^2=

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Solution for -3x^2+2+9x-5-4x^2= equation:


Simplifying
-3x2 + 2 + 9x + -5 + -4x2 = 0

Reorder the terms:
2 + -5 + 9x + -3x2 + -4x2 = 0

Combine like terms: 2 + -5 = -3
-3 + 9x + -3x2 + -4x2 = 0

Combine like terms: -3x2 + -4x2 = -7x2
-3 + 9x + -7x2 = 0

Solving
-3 + 9x + -7x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-7 the coefficient of the squared term: 

Divide each side by '-7'.
0.4285714286 + -1.285714286x + x2 = 0

Move the constant term to the right:

Add '-0.4285714286' to each side of the equation.
0.4285714286 + -1.285714286x + -0.4285714286 + x2 = 0 + -0.4285714286

Reorder the terms:
0.4285714286 + -0.4285714286 + -1.285714286x + x2 = 0 + -0.4285714286

Combine like terms: 0.4285714286 + -0.4285714286 = 0.0000000000
0.0000000000 + -1.285714286x + x2 = 0 + -0.4285714286
-1.285714286x + x2 = 0 + -0.4285714286

Combine like terms: 0 + -0.4285714286 = -0.4285714286
-1.285714286x + x2 = -0.4285714286

The x term is -1.285714286x.  Take half its coefficient (-0.642857143).
Square it (0.4132653063) and add it to both sides.

Add '0.4132653063' to each side of the equation.
-1.285714286x + 0.4132653063 + x2 = -0.4285714286 + 0.4132653063

Reorder the terms:
0.4132653063 + -1.285714286x + x2 = -0.4285714286 + 0.4132653063

Combine like terms: -0.4285714286 + 0.4132653063 = -0.0153061223
0.4132653063 + -1.285714286x + x2 = -0.0153061223

Factor a perfect square on the left side:
(x + -0.642857143)(x + -0.642857143) = -0.0153061223

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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