Question

-9sqrt32 + 9sqrt18 +10sqrt8

Answer 1

\[-9\sqrt {16 \times 2} + 9 \sqrt{9 \times 2} + 10 \sqrt{4\times 2}\]
\[-9(4\sqrt 2) + 9(3\sqrt 2) + 10(2\sqrt 2)\]

Answer 2

do you get it?

Answer 3

-36sqrt2 27sqrt2 20sqrt2

Answer 4

\[-36\sqrt 2 + 27\sqrt 2 + 20\sqrt 2\]
right

Answer 5

now combine

Answer 6

11sqrt2

Answer 7

correct

Answer 8

Thanks!

Answer 9

<tips hat>