Question

Pls answer this question​

Answer 1

hey mate!

7√2 + 8√2×2×2

so, 7√2 + 8×2√2

7√2 + 16√2

so, 23√2 is answer.

Answer 2

ANSWER:

$7 \sqrt{2} + 8 \sqrt{8} \\ = 7 \sqrt{2 } + 8 \sqrt{2 \times 2 \times 2} \\ = 7 \sqrt{2} + 8 \times 2 \sqrt{2 } \\ = 7 \sqrt{2} + 16 \sqrt{2} \\ = 23 \sqrt{2}$

HOPE IT HELPED YOU ☺