Answer:
¹/₉x - √(xy) + ⁹/₄y
Step-by-step explanation:
You can expand this the same way you would when squaring any other binomial:
(¹/₃√x - ³/₂√y)²
= ¹/₉x - ¹/₂√(xy) - ¹/₂√(xy) + ⁹/₄y
= ¹/₉x - √(xy) + ⁹/₄y
