x^2-ax-2x^2=0

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Solution for x^2-ax-2x^2=0 equation:


Simplifying
x2 + -1ax + -2x2 = 0

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

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

Solving
-1ax + -1x2 = 0

Solving for variable 'a'.

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

Add 'x2' to each side of the equation.
-1ax + -1x2 + x2 = 0 + x2

Combine like terms: -1x2 + x2 = 0
-1ax + 0 = 0 + x2
-1ax = 0 + x2
Remove the zero:
-1ax = x2

Divide each side by '-1x'.
a = -1x

Simplifying
a = -1x

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