What is 2sqrt(20)-sqrt(20)+3sqrt(20)-2sqrt(45) ?

The solution to 2sqrt(20)-sqrt(20)+3sqrt(20)-2sqrt(45) is 2sqrt(5)

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simplify 2sqrt(20)-sqrt(20)+3sqrt(20)-2sqrt(45)

simplify

220 - 20 + 320 - 245

25

Decimal Notation

4.47213 \dots

Solution steps

220 - 20 + 320 - 245

Add similar elements:

220 - 20 + 320 = 420

= 420 - 245

420 = 85

245 = 65

= 85 - 65

Add similar elements:

85 - 65 = 25

= 25

\frac{4}{3 ^{3}}

\frac{\frac{1}{y} + \frac{1}{x}}{\frac{x}{y} - \frac{y}{x}}

\frac{x ^{2} - y ^{2}}{x - y}

2 x^{2} - 13 x + 15 = 0

x^{2} - 2 x y + y^{2} - 36

What is 2sqrt(20)-sqrt(20)+3sqrt(20)-2sqrt(45) ?
The solution to 2sqrt(20)-sqrt(20)+3sqrt(20)-2sqrt(45) is 2sqrt(5)