2x*-x-4=0

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Solution for 2x*-x-4=0 equation:


Simplifying
2x * -1x + -4 = 0

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

Multiply 2 * -1
-2x * x + -4 = 0

Multiply x * x
-2x2 + -4 = 0

Reorder the terms:
-4 + -2x2 = 0

Solving
-4 + -2x2 = 0

Solving for variable 'x'.

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

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

Combine like terms: -4 + 4 = 0
0 + -2x2 = 0 + 4
-2x2 = 0 + 4

Combine like terms: 0 + 4 = 4
-2x2 = 4

Divide each side by '-2'.
x2 = -2

Simplifying
x2 = -2

Reorder the terms:
2 + x2 = -2 + 2

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

The solution to this equation could not be determined.

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