solve the following equation
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2x² - (3x - 7i)x - 3 + 9i = 0
Or 2x² - 3x² + 7 ix - 3 + 9i =0
Or -x² - 3 + i(7x + 9) = 0
Or x² + 3 - i(7x+9) = 0
Compairing real and imaginary parts,
x² + 3 = 0 and 7x + 9 = 0
Thus x = √3 or x = -9/7