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Simplify : √45-3√20+4√5

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Posted by Kunâl Srivastav 4 years, 4 months ago

Anwesh Thakur 2 years, 6 months ago

√45-3√20+4√5 = √3×3×5 -3√2×2×5 +4√5 = 3√5-6√5+4√5 = 7√5 - 6√5 =√5

Yogita Ingle 4 years, 4 months ago

√45 - 3√20 + 4√5

= 3√5 -3*2√5 +4√5

= 3√5-6√5+4√5

= (3-6+4)√5

=(-3+4)√5

√45 - 3√20 + 4√5= √5

ANSWER

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