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

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


Simplifying
x2 + -1(a + -2) * x + 4 = 0

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

Reorder the terms for easier multiplication:
x2 + -1x(-2 + a) + 4 = 0
x2 + (-2 * -1x + a * -1x) + 4 = 0

Reorder the terms:
x2 + (-1ax + 2x) + 4 = 0
x2 + (-1ax + 2x) + 4 = 0

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

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

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

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

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

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

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

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

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

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

Simplifying
a = 4x-1 + 2 + x

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

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