Question

спростіть вираз:

$\ \textless \ br /\ \textgreater \ - 7xy {}^{2} \times 3x {}^{2}y {}^{3} \ \textless \ br /\ \textgreater \ \ \textless \ br /\ \textgreater$
а)
$2ly {}^{5} {x}^{3}$
б)
$21x {}^{2}y {}^{6}$
в)
$- 21 {x}^{2}y {}^{6}$



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Answer 1

Ответ:

$-7xy^2*3x^2y^3=-21x^3y^5$