Question

Ребят помогите 17ba³+23ba³

Answer 1

$frac{1}{7} b a^{3} + frac{2}{3}ba^{3}=ba^{3}( frac{1}{7}+frac{2}{3})=ba^{3}( frac{3}{21} +frac{14}{21})=frac{17}{21}ba^{3}$