3x^2+60+9=3x+7

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Solution for 3x^2+60+9=3x+7 equation:


Simplifying
3x2 + 60 + 9 = 3x + 7

Reorder the terms:
60 + 9 + 3x2 = 3x + 7

Combine like terms: 60 + 9 = 69
69 + 3x2 = 3x + 7

Reorder the terms:
69 + 3x2 = 7 + 3x

Solving
69 + 3x2 = 7 + 3x

Solving for variable 'x'.

Reorder the terms:
69 + -7 + -3x + 3x2 = 7 + 3x + -7 + -3x

Combine like terms: 69 + -7 = 62
62 + -3x + 3x2 = 7 + 3x + -7 + -3x

Reorder the terms:
62 + -3x + 3x2 = 7 + -7 + 3x + -3x

Combine like terms: 7 + -7 = 0
62 + -3x + 3x2 = 0 + 3x + -3x
62 + -3x + 3x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
62 + -3x + 3x2 = 0

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

Divide each side by '3'.
20.66666667 + -1x + x2 = 0

Move the constant term to the right:

Add '-20.66666667' to each side of the equation.
20.66666667 + -1x + -20.66666667 + x2 = 0 + -20.66666667

Reorder the terms:
20.66666667 + -20.66666667 + -1x + x2 = 0 + -20.66666667

Combine like terms: 20.66666667 + -20.66666667 = 0.00000000
0.00000000 + -1x + x2 = 0 + -20.66666667
-1x + x2 = 0 + -20.66666667

Combine like terms: 0 + -20.66666667 = -20.66666667
-1x + x2 = -20.66666667

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = -20.66666667 + 0.25

Reorder the terms:
0.25 + -1x + x2 = -20.66666667 + 0.25

Combine like terms: -20.66666667 + 0.25 = -20.41666667
0.25 + -1x + x2 = -20.41666667

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = -20.41666667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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