31) Which of the following pairs of terms is a pair of unlike terms? *
-p^2q^2, 12p^2q^2
41,100
qp^2, 13p^2q
-4yx^2, -4xy^2
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Answer:
-4yx² , -4xy²
Step-by-step explanation:
because in the first time it is x² and in the second one it is y²
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