Question

1 Спростіть вираз 5а. (-За³)²

Answer 1

${x}^{n} \times {x}^{m} = {x}^{n + m}$

$(x {}^{n} ) {}^{m} = {x}^{n \times m}$

$5a \times ( - 3a {}^{3} ) {}^{2} = 5a \times 9 {a}^{6} = 45a {}^{7}$