7x(4x+9)=6(11x-12)

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Solution for 7x(4x+9)=6(11x-12) equation:


Simplifying
7x(4x + 9) = 6(11x + -12)

Reorder the terms:
7x(9 + 4x) = 6(11x + -12)
(9 * 7x + 4x * 7x) = 6(11x + -12)
(63x + 28x2) = 6(11x + -12)

Reorder the terms:
63x + 28x2 = 6(-12 + 11x)
63x + 28x2 = (-12 * 6 + 11x * 6)
63x + 28x2 = (-72 + 66x)

Solving
63x + 28x2 = -72 + 66x

Solving for variable 'x'.

Reorder the terms:
72 + 63x + -66x + 28x2 = -72 + 66x + 72 + -66x

Combine like terms: 63x + -66x = -3x
72 + -3x + 28x2 = -72 + 66x + 72 + -66x

Reorder the terms:
72 + -3x + 28x2 = -72 + 72 + 66x + -66x

Combine like terms: -72 + 72 = 0
72 + -3x + 28x2 = 0 + 66x + -66x
72 + -3x + 28x2 = 66x + -66x

Combine like terms: 66x + -66x = 0
72 + -3x + 28x2 = 0

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

Divide each side by '28'.
2.571428571 + -0.1071428571x + x2 = 0

Move the constant term to the right:

Add '-2.571428571' to each side of the equation.
2.571428571 + -0.1071428571x + -2.571428571 + x2 = 0 + -2.571428571

Reorder the terms:
2.571428571 + -2.571428571 + -0.1071428571x + x2 = 0 + -2.571428571

Combine like terms: 2.571428571 + -2.571428571 = 0.000000000
0.000000000 + -0.1071428571x + x2 = 0 + -2.571428571
-0.1071428571x + x2 = 0 + -2.571428571

Combine like terms: 0 + -2.571428571 = -2.571428571
-0.1071428571x + x2 = -2.571428571

The x term is -0.1071428571x.  Take half its coefficient (-0.05357142855).
Square it (0.002869897957) and add it to both sides.

Add '0.002869897957' to each side of the equation.
-0.1071428571x + 0.002869897957 + x2 = -2.571428571 + 0.002869897957

Reorder the terms:
0.002869897957 + -0.1071428571x + x2 = -2.571428571 + 0.002869897957

Combine like terms: -2.571428571 + 0.002869897957 = -2.568558673043
0.002869897957 + -0.1071428571x + x2 = -2.568558673043

Factor a perfect square on the left side:
(x + -0.05357142855)(x + -0.05357142855) = -2.568558673043

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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