Question

Simplify
7√80 = ?

Answer 1

7√80 = 7√(16*5) = 7*4√5 = 28√5

Answer 2

\[7\sqrt{80}=7\sqrt{16(5)}=7(4)\sqrt{5}=28\sqrt{5}\]

Answer 3

simplify fully =
9√3 x 7√9 ??

Answer 4

\[9\sqrt{3}(7\sqrt{9})=9\sqrt{3}(7)(3)=189\sqrt{3}\]

Answer 5

simplify fully =
6√5 x 2√9?

Answer 6

\[6\sqrt{5}(2)(\sqrt{9})=6\sqrt{5}(2)(3)=36\sqrt{5}\]