Question

(4√2+9)(√2-1)

Answer 1

5 sqrt(2)-1

Answer 2

\[4*2 + (9-4) \sqrt{2} - 9 = 8 +5\sqrt{?}\]

Answer 3

the question mark is 2

Answer 4

Multiple choice
a.) -1+13√2
b.) -1+5√2
c.) -9+9√2
d.) -9+4√2

Answer 5

sorry in my answer I missed one -9 as well
the first part is correct but after equal sign it is wrong
= 8-9 + \[54\sqrt{2}\] = -1 + 5\[\sqrt{?}\]

Answer 6

Answer-->b.) -1+5√2

Answer 7

yes, sorry. I sucked in using equation :D

Answer 8

No...that's ok. Thank you.