x^2+2x-4-a=0

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Solution for x^2+2x-4-a=0 equation:


Simplifying
x2 + 2x + -4 + -1a = 0

Reorder the terms:
-4 + -1a + 2x + x2 = 0

Solving
-4 + -1a + 2x + x2 = 0

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + -1a + 2x + 4 + x2 = 0 + 4

Reorder the terms:
-4 + 4 + -1a + 2x + x2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -1a + 2x + x2 = 0 + 4
-1a + 2x + x2 = 0 + 4

Combine like terms: 0 + 4 = 4
-1a + 2x + x2 = 4

Add '-2x' to each side of the equation.
-1a + 2x + -2x + x2 = 4 + -2x

Combine like terms: 2x + -2x = 0
-1a + 0 + x2 = 4 + -2x
-1a + x2 = 4 + -2x

Add '-1x2' to each side of the equation.
-1a + x2 + -1x2 = 4 + -2x + -1x2

Combine like terms: x2 + -1x2 = 0
-1a + 0 = 4 + -2x + -1x2
-1a = 4 + -2x + -1x2

Divide each side by '-1'.
a = -4 + 2x + x2

Simplifying
a = -4 + 2x + x2

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