x^2+15=2(3x-1)

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Solution for x^2+15=2(3x-1) equation:


Simplifying
x2 + 15 = 2(3x + -1)

Reorder the terms:
15 + x2 = 2(3x + -1)

Reorder the terms:
15 + x2 = 2(-1 + 3x)
15 + x2 = (-1 * 2 + 3x * 2)
15 + x2 = (-2 + 6x)

Solving
15 + x2 = -2 + 6x

Solving for variable 'x'.

Reorder the terms:
15 + 2 + -6x + x2 = -2 + 6x + 2 + -6x

Combine like terms: 15 + 2 = 17
17 + -6x + x2 = -2 + 6x + 2 + -6x

Reorder the terms:
17 + -6x + x2 = -2 + 2 + 6x + -6x

Combine like terms: -2 + 2 = 0
17 + -6x + x2 = 0 + 6x + -6x
17 + -6x + x2 = 6x + -6x

Combine like terms: 6x + -6x = 0
17 + -6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-17' to each side of the equation.
17 + -6x + -17 + x2 = 0 + -17

Reorder the terms:
17 + -17 + -6x + x2 = 0 + -17

Combine like terms: 17 + -17 = 0
0 + -6x + x2 = 0 + -17
-6x + x2 = 0 + -17

Combine like terms: 0 + -17 = -17
-6x + x2 = -17

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = -17 + 9

Reorder the terms:
9 + -6x + x2 = -17 + 9

Combine like terms: -17 + 9 = -8
9 + -6x + x2 = -8

Factor a perfect square on the left side:
(x + -3)(x + -3) = -8

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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