Best Answer

3*sqrt(45) - 3*sqrt(5) =3*sqrt(9*5) - 3*sqrt(5) = 3*sqrt(9)*sqrt(5) - 3*sqrt(5)

= 3*3*sqrt(5) - 3*sqrt(5) (taking the principal root)

= 9*sqrt(5) - 3*sqrt(5) = 6*sqrt(5)

Q: What is 3 square root of 45 minus 3 square root of 5?

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24

Square root of 9 is 3... (-7) - 3 = -10 ... Answer: -10

3 times the square root of 5

Four of anything minus one of the same thing always leaves three of them.

6

Related questions

4 x square root of 10 minus square root of 10 = 3 x square root of 10.

To 3 decimal places, the answer is -3.924

square root(minus 9) = 3 ior in correct mathematical notation it is (+,-)i_square root(9)

24

Square root of 9 is 3... (-7) - 3 = -10 ... Answer: -10

3 times the square root of 5

Four of anything minus one of the same thing always leaves three of them.

6

It works out as -26 times the square root of 3

Minus square root of 2, minus square root of 3, minus pi, minus e, etc. Or, to be a bit more fancy, 1 - pi, 2 - pi, 3 - pi, pi - 4, pi - 5, 2 - e, e - 3, square root of 2 minus 2, etc.

The square root of 45 in simplest form is 3sqrt(5). You take the 2 roots from 45 (5 and 9) and find out the square root of 9 is 3, while the square root of 5 is still just square root 5.

plus or minus. You see it often with square roots. The square root of 9 is plus or minus 3.