Question

I need to know how to answer this if someone could explain it step by step thanks!

Answer 1

Explanation:

`2 √(7x) .3 \sqrt{14 {x}^(2) } \\ = 2 * 3 \sqrt{7x * 14 {x}^(2) } \\ = 6 \sqrt{7x * 2 * 7 {x}^(2) } \\ = 6 \sqrt{2 * 7 * 7 * {x}^(2) * x } \\ = 6 * 7 * x √(2 * x) \\ = 42x √(2x)`