6x=9+7x^2

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Solution for 6x=9+7x^2 equation:


Simplifying
6x = 9 + 7x2

Solving
6x = 9 + 7x2

Solving for variable 'x'.

Reorder the terms:
-9 + 6x + -7x2 = 9 + 7x2 + -9 + -7x2

Reorder the terms:
-9 + 6x + -7x2 = 9 + -9 + 7x2 + -7x2

Combine like terms: 9 + -9 = 0
-9 + 6x + -7x2 = 0 + 7x2 + -7x2
-9 + 6x + -7x2 = 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
-9 + 6x + -7x2 = 0

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

Divide each side by '-7'.
1.285714286 + -0.8571428571x + x2 = 0

Move the constant term to the right:

Add '-1.285714286' to each side of the equation.
1.285714286 + -0.8571428571x + -1.285714286 + x2 = 0 + -1.285714286

Reorder the terms:
1.285714286 + -1.285714286 + -0.8571428571x + x2 = 0 + -1.285714286

Combine like terms: 1.285714286 + -1.285714286 = 0.000000000
0.000000000 + -0.8571428571x + x2 = 0 + -1.285714286
-0.8571428571x + x2 = 0 + -1.285714286

Combine like terms: 0 + -1.285714286 = -1.285714286
-0.8571428571x + x2 = -1.285714286

The x term is -0.8571428571x.  Take half its coefficient (-0.4285714286).
Square it (0.1836734694) and add it to both sides.

Add '0.1836734694' to each side of the equation.
-0.8571428571x + 0.1836734694 + x2 = -1.285714286 + 0.1836734694

Reorder the terms:
0.1836734694 + -0.8571428571x + x2 = -1.285714286 + 0.1836734694

Combine like terms: -1.285714286 + 0.1836734694 = -1.1020408166
0.1836734694 + -0.8571428571x + x2 = -1.1020408166

Factor a perfect square on the left side:
(x + -0.4285714286)(x + -0.4285714286) = -1.1020408166

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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