x*-2x-15=0

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Solution for x*-2x-15=0 equation:


Simplifying
x * -2x + -15 = 0

Reorder the terms for easier multiplication:
-2x * x + -15 = 0

Multiply x * x
-2x2 + -15 = 0

Reorder the terms:
-15 + -2x2 = 0

Solving
-15 + -2x2 = 0

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + -2x2 = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -2x2 = 0 + 15
-2x2 = 0 + 15

Combine like terms: 0 + 15 = 15
-2x2 = 15

Divide each side by '-2'.
x2 = -7.5

Simplifying
x2 = -7.5

Reorder the terms:
7.5 + x2 = -7.5 + 7.5

Combine like terms: -7.5 + 7.5 = 0.0
7.5 + x2 = 0.0

The solution to this equation could not be determined.

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