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

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


Simplifying
x2 + -1ax + -2a2 = 0

Reorder the terms:
-1ax + -2a2 + x2 = 0

Solving
-1ax + -2a2 + x2 = 0

Solving for variable 'a'.

Factor a trinomial.
(-1a + -1x)(2a + -1x) = 0

Subproblem 1

Set the factor '(-1a + -1x)' equal to zero and attempt to solve: Simplifying -1a + -1x = 0 Solving -1a + -1x = 0 Move all terms containing a to the left, all other terms to the right. Add 'x' to each side of the equation. -1a + -1x + x = 0 + x Combine like terms: -1x + x = 0 -1a + 0 = 0 + x -1a = 0 + x Remove the zero: -1a = x Divide each side by '-1'. a = -1x Simplifying a = -1x

Subproblem 2

Set the factor '(2a + -1x)' equal to zero and attempt to solve: Simplifying 2a + -1x = 0 Solving 2a + -1x = 0 Move all terms containing a to the left, all other terms to the right. Add 'x' to each side of the equation. 2a + -1x + x = 0 + x Combine like terms: -1x + x = 0 2a + 0 = 0 + x 2a = 0 + x Remove the zero: 2a = x Divide each side by '2'. a = 0.5x Simplifying a = 0.5x

Solution

a = {-1x, 0.5x}

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