√45-3√20+4√5
can I get answer?
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ANSWER.
root 45 - 3 root 20 + 4 root 5
= whole root 3×3×5 - 3 root 2×2×5 + 4 root 5
= 3 root 5 - 6 root 5 + 4 root 5
= root 5 ANS-
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