How do you simplify $9 \sqrt{5} - 4 \sqrt{7}$ $9 sqrt 5 -4 sqrt 7$ ?

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Answer 1 · 2018-03-27T01:16:21

This can't be simplified any further....

Unless, you are looking for a decimal answer, then it would be:

$9 \sqrt{5} - 4 \sqrt{7}$ $9sqrt5-4sqrt7$

$=20.1246...-10.58300...$

$=9.5416....$

$~=9.54$

How do you simplify 9 sqrt 5 -4 sqrt 79√5−4√79 sqrt 5 -4 sqrt 7?