Question

Multiply 3√5 by 15√5​

Answer 1

Answer:

$3 \sqrt{5} \times 15 \sqrt{5}$

$3 \times \sqrt{5} \times 15 \times \sqrt{5}$

$15 \times 3 \times \sqrt{5} \times \sqrt{5}$

$45 \times ( \sqrt{5} ) {}^{2}$

$45 \times 5$

$225$