Answer:
is xy² or (xy)²
xy² =2*(-3)²= 2*9=18
(xy)² = [2*(-3)]²= (2*-3)²= (-6)²=36
Explanation:
18
xy² ← substitute x = 2 and y = - 3 into the expression
= 2 × (- 3)²
= 2 × 9
= 18
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