x^2-3x-a-2=0

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Solution for x^2-3x-a-2=0 equation:


Simplifying
x2 + -3x + -1a + -2 = 0

Reorder the terms:
-2 + -1a + -3x + x2 = 0

Solving
-2 + -1a + -3x + x2 = 0

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + -1a + -3x + 2 + x2 = 0 + 2

Reorder the terms:
-2 + 2 + -1a + -3x + x2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1a + -3x + x2 = 0 + 2
-1a + -3x + x2 = 0 + 2

Combine like terms: 0 + 2 = 2
-1a + -3x + x2 = 2

Add '3x' to each side of the equation.
-1a + -3x + 3x + x2 = 2 + 3x

Combine like terms: -3x + 3x = 0
-1a + 0 + x2 = 2 + 3x
-1a + x2 = 2 + 3x

Add '-1x2' to each side of the equation.
-1a + x2 + -1x2 = 2 + 3x + -1x2

Combine like terms: x2 + -1x2 = 0
-1a + 0 = 2 + 3x + -1x2
-1a = 2 + 3x + -1x2

Divide each side by '-1'.
a = -2 + -3x + x2

Simplifying
a = -2 + -3x + x2

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