Question

simplify 2√45 + 5 √20 - 3√80
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Answer 1

Step-by-step explanation:

Given :-

2√45 + 5 √20 - 3√80

To find:-

Simplify 2√45 + 5 √20 - 3√80.

Solution:-

Given that

2√45 + 5 √20 - 3√80.

√45 can be written as √(3×3×5)=3 √5

√20 can be written as √(2×2×5) = 2 √5

√80 can be written as √(2×2×2×2×5)

=4 √5

Now

The given numerical expression becomes

=> 2×3√5 + 5× 2√5 -3 ×4√5

=> 6 √5 +10√5 -12 √5

=> (6 +10 -12 ) √5

=> (16 -12) √5

=> 4√5

or √80

Answer:-

The answer for the given problem is 4√5 or √80

Answer 2

Answer:

OK OK OK OK OK OK

Step-by-step explanation:

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