What is 7sqrt(20)-sqrt(80)+3sqrt(45) ?

The solution to 7sqrt(20)-sqrt(80)+3sqrt(45) is 19sqrt(5)

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simplify 7sqrt(20)-sqrt(80)+3sqrt(45)

simplify

720 - 80 + 345

195

Decimal Notation

42.48529 \dots

Solution steps

720 - 80 + 345

720 = 145

80 = 45

345 = 95

= 145 - 45 + 95

Add similar elements:

145 - 45 + 95 = 195

= 195

\frac{180}{36}

1 + 3 e^{i - \frac{3}{2} π}

\frac{1}{5 + i}

\frac{18 x ^{7} y ^{5}}{30 x y ^{4}}

What is 7sqrt(20)-sqrt(80)+3sqrt(45) ?
The solution to 7sqrt(20)-sqrt(80)+3sqrt(45) is 19sqrt(5)