Problem
If \( x=2 \) and \( y=-3 \), then \( -x y^{2}= \)
Solution
Step 1 ：\(-x y^{2} = -(2)(-3)^{2}\)
Step 2 ：\(-x y^{2} = -(2)(9)\)
Step 3 ：\(-x y^{2} = -18\)
Step 1 ：\(-x y^{2} = -(2)(-3)^{2}\)
Step 2 ：\(-x y^{2} = -(2)(9)\)
Step 3 ：\(-x y^{2} = -18\)
