9x^2+2+16=4(x+3)

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Solution for 9x^2+2+16=4(x+3) equation:


Simplifying
9x2 + 2 + 16 = 4(x + 3)

Reorder the terms:
2 + 16 + 9x2 = 4(x + 3)

Combine like terms: 2 + 16 = 18
18 + 9x2 = 4(x + 3)

Reorder the terms:
18 + 9x2 = 4(3 + x)
18 + 9x2 = (3 * 4 + x * 4)
18 + 9x2 = (12 + 4x)

Solving
18 + 9x2 = 12 + 4x

Solving for variable 'x'.

Reorder the terms:
18 + -12 + -4x + 9x2 = 12 + 4x + -12 + -4x

Combine like terms: 18 + -12 = 6
6 + -4x + 9x2 = 12 + 4x + -12 + -4x

Reorder the terms:
6 + -4x + 9x2 = 12 + -12 + 4x + -4x

Combine like terms: 12 + -12 = 0
6 + -4x + 9x2 = 0 + 4x + -4x
6 + -4x + 9x2 = 4x + -4x

Combine like terms: 4x + -4x = 0
6 + -4x + 9x2 = 0

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

Divide each side by '9'.
0.6666666667 + -0.4444444444x + x2 = 0

Move the constant term to the right:

Add '-0.6666666667' to each side of the equation.
0.6666666667 + -0.4444444444x + -0.6666666667 + x2 = 0 + -0.6666666667

Reorder the terms:
0.6666666667 + -0.6666666667 + -0.4444444444x + x2 = 0 + -0.6666666667

Combine like terms: 0.6666666667 + -0.6666666667 = 0.0000000000
0.0000000000 + -0.4444444444x + x2 = 0 + -0.6666666667
-0.4444444444x + x2 = 0 + -0.6666666667

Combine like terms: 0 + -0.6666666667 = -0.6666666667
-0.4444444444x + x2 = -0.6666666667

The x term is -0.4444444444x.  Take half its coefficient (-0.2222222222).
Square it (0.04938271604) and add it to both sides.

Add '0.04938271604' to each side of the equation.
-0.4444444444x + 0.04938271604 + x2 = -0.6666666667 + 0.04938271604

Reorder the terms:
0.04938271604 + -0.4444444444x + x2 = -0.6666666667 + 0.04938271604

Combine like terms: -0.6666666667 + 0.04938271604 = -0.61728395066
0.04938271604 + -0.4444444444x + x2 = -0.61728395066

Factor a perfect square on the left side:
(x + -0.2222222222)(x + -0.2222222222) = -0.61728395066

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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