Question

Simplify. (ljy dhft,)

√81 −8√216 + 15√32 + √225
​

Answer 1

Answer:

Step-by-step explanation:

= $\sqrt{81}$ - 8$\sqrt{216}$ + 15$\sqrt{32}$ + $\sqrt{225}$

= 9 - 8$\sqrt{36}$ X $\sqrt{6}$ + 15$\sqrt{16}$ X $\sqrt{2}$ + 15

= 9 + 15 - 8 X 6$\sqrt{6}$ + 15 X 4$\sqrt{2}$

= 24 - 48$\sqrt{6}$ + 60$\sqrt{2}$

= 24 - $\sqrt{2}$(48$\sqrt{3}$ + 60)

Answer 2

Answer:

3-(8x6)+(15x2)+15

=3-48+30+15

=0

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