Question

-42√30 / 12√10 solve it​

Answer 1

Answer:

-42√3/12√10 = -7√30/2√10 = -7√2√3√5/2√2√5 = -7√3/2

Answer 2

ANSWER

$- \frac{7}{2} \sqrt{3}$

Step-by-step explanation:

$- \frac{42 \sqrt{30} }{12 \sqrt{10} }$

$= - \frac{42 \times \sqrt{2 \times 3 \times 5} }{12 \times \sqrt{2 \times 5} }$

$= - \frac{7}{2} \times \frac{ \sqrt{2} \times \sqrt{3} \times \sqrt{5} }{ \sqrt{2} \times \sqrt{5} }$

$= - \frac{7}{2} \sqrt{3}$