Question

Which of the following is the common factor of 21x²y and 35 xy²?
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Answer 1

Explicación paso a paso:

$21 {x}^{2} y = 7 \times 3 {x}^{2} y \\ 35x {y}^{2} = 7 \times 5x {y}^{2} \\ then \: the \: common \: factor \: is \\ 7xy$