putaprincess16
29.10.2019 •
Mathematics
-simplify the rational expression, if possible. identify any excluded values.
7r²
21r³
Solved
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Ответ:
7r^-1/3r^3
Step-by-step explanation:
7r^2/21r^3
21r^3 ➡ 7r^3 × 3r^3
7r^2/7r^3×3r^3 ➡ 7r^2 - 7r^3/3r^3
➡7r^-1/3r^3
Ответ:
boy no
Step-by-step explanation: