expand and simlify (7+ root 5) (3- root 5)
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2
Answer:
21-7root5+3root5-5
16-4root5
Answered by
2
(7+root5) (3-root5)
First remove the brackets
7+root 5 +3 - root 5
+root 5 and - root 5 will be canceled
So the answer will be 7+3=10
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