Question

simplify:
-10√7 - 9√2 - 8√7 + 7√2​

Answer 1

Answer:

$- 10 \sqrt{7} - 9 \sqrt{2} - 8 \sqrt{7} + 7 \sqrt{2} \\ = )( - 10 - 8) \sqrt{7} + ( - 9 + 7) \sqrt{2} \\ = )-18 \sqrt{7} - 2 \sqrt{2}$

Hope it helped