12x^2y-28x^2-18y+42=

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Solution for 12x^2y-28x^2-18y+42= equation:


Simplifying
12x2y + -28x2 + -18y + 42 = 0

Reorder the terms:
42 + -28x2 + 12x2y + -18y = 0

Solving
42 + -28x2 + 12x2y + -18y = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-42' to each side of the equation.
42 + -28x2 + 12x2y + -42 + -18y = 0 + -42

Reorder the terms:
42 + -42 + -28x2 + 12x2y + -18y = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -28x2 + 12x2y + -18y = 0 + -42
-28x2 + 12x2y + -18y = 0 + -42

Combine like terms: 0 + -42 = -42
-28x2 + 12x2y + -18y = -42

Add '18y' to each side of the equation.
-28x2 + 12x2y + -18y + 18y = -42 + 18y

Combine like terms: -18y + 18y = 0
-28x2 + 12x2y + 0 = -42 + 18y
-28x2 + 12x2y = -42 + 18y

Reorder the terms:
42 + -28x2 + 12x2y + -18y = -42 + 18y + 42 + -18y

Reorder the terms:
42 + -28x2 + 12x2y + -18y = -42 + 42 + 18y + -18y

Combine like terms: -42 + 42 = 0
42 + -28x2 + 12x2y + -18y = 0 + 18y + -18y
42 + -28x2 + 12x2y + -18y = 18y + -18y

Combine like terms: 18y + -18y = 0
42 + -28x2 + 12x2y + -18y = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(21 + -14x2 + 6x2y + -9y) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(21 + -14x2 + 6x2y + -9y)' equal to zero and attempt to solve: Simplifying 21 + -14x2 + 6x2y + -9y = 0 Solving 21 + -14x2 + 6x2y + -9y = 0 Move all terms containing x to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + -14x2 + 6x2y + -21 + -9y = 0 + -21 Reorder the terms: 21 + -21 + -14x2 + 6x2y + -9y = 0 + -21 Combine like terms: 21 + -21 = 0 0 + -14x2 + 6x2y + -9y = 0 + -21 -14x2 + 6x2y + -9y = 0 + -21 Combine like terms: 0 + -21 = -21 -14x2 + 6x2y + -9y = -21 Add '9y' to each side of the equation. -14x2 + 6x2y + -9y + 9y = -21 + 9y Combine like terms: -9y + 9y = 0 -14x2 + 6x2y + 0 = -21 + 9y -14x2 + 6x2y = -21 + 9y The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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