x*2+9x+20=0

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Solution for x*2+9x+20=0 equation:


Simplifying
x * 2 + 9x + 20 = 0

Reorder the terms for easier multiplication:
2x + 9x + 20 = 0

Reorder the terms:
20 + 2x + 9x = 0

Combine like terms: 2x + 9x = 11x
20 + 11x = 0

Solving
20 + 11x = 0

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 11x = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 11x = 0 + -20
11x = 0 + -20

Combine like terms: 0 + -20 = -20
11x = -20

Divide each side by '11'.
x = -1.818181818

Simplifying
x = -1.818181818

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