2x^2+9x-j=0

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Solution for 2x^2+9x-j=0 equation:


Simplifying
2x2 + 9x + -1j = 0

Reorder the terms:
-1j + 9x + 2x2 = 0

Solving
-1j + 9x + 2x2 = 0

Solving for variable 'j'.

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

Add '-9x' to each side of the equation.
-1j + 9x + -9x + 2x2 = 0 + -9x

Combine like terms: 9x + -9x = 0
-1j + 0 + 2x2 = 0 + -9x
-1j + 2x2 = 0 + -9x
Remove the zero:
-1j + 2x2 = -9x

Add '-2x2' to each side of the equation.
-1j + 2x2 + -2x2 = -9x + -2x2

Combine like terms: 2x2 + -2x2 = 0
-1j + 0 = -9x + -2x2
-1j = -9x + -2x2

Divide each side by '-1'.
j = 9x + 2x2

Simplifying
j = 9x + 2x2

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