Question

please solve this question step by step.

Answer 1

Hello Mate!

$9 \sqrt{x} = \sqrt{12} + \sqrt{147} \\ \sqrt{12} = \sqrt{2 \times 2 \times 3} = 2 \sqrt{3} \\ \sqrt{147} = \sqrt{3 \times 7 \times 7} = 7 \sqrt{3} \\ 9 \sqrt{x} = 2 \sqrt{3} + 7 \sqrt{3} \\ 9 \sqrt{x} = \sqrt{3} (2 + 7) \\ 9 \sqrt{x} = 9 \sqrt{3}$

Hence, x = 3

Hope it helps☺!

A small message in the pic