X^2+3x-42=y

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Solution for X^2+3x-42=y equation:


Simplifying
X2 + 3x + -42 = y

Reorder the terms:
-42 + X2 + 3x = y

Solving
-42 + X2 + 3x = y

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 + X2 + 42 + 3x = 42 + y

Reorder the terms:
-42 + 42 + X2 + 3x = 42 + y

Combine like terms: -42 + 42 = 0
0 + X2 + 3x = 42 + y
X2 + 3x = 42 + y

Add '-3x' to each side of the equation.
X2 + 3x + -3x = 42 + -3x + y

Combine like terms: 3x + -3x = 0
X2 + 0 = 42 + -3x + y
X2 = 42 + -3x + y

Simplifying
X2 = 42 + -3x + y

Reorder the terms:
-42 + X2 + 3x + -1y = 42 + -3x + y + -42 + 3x + -1y

Reorder the terms:
-42 + X2 + 3x + -1y = 42 + -42 + -3x + 3x + y + -1y

Combine like terms: 42 + -42 = 0
-42 + X2 + 3x + -1y = 0 + -3x + 3x + y + -1y
-42 + X2 + 3x + -1y = -3x + 3x + y + -1y

Combine like terms: -3x + 3x = 0
-42 + X2 + 3x + -1y = 0 + y + -1y
-42 + X2 + 3x + -1y = y + -1y

Combine like terms: y + -1y = 0
-42 + X2 + 3x + -1y = 0

The solution to this equation could not be determined.

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