Question

√ 7*5^2 * √ 7*24=???

Answer 1

$sqrt{7cdot 5^2} cdot sqrt{7cdot 24}=sqrt{7cdot 5^2cdot 7cdot 24}=7cdot 5sqrt{24}=35sqrt{4cdot 6}=\\=35cdot 2sqrt6=70sqrt6$

Answer 2

√(7 * 5²)   * √(7 * 24) = 5√7 *  2√(7*6)= 10√(7*7*6)= 70√6