Multiply and simplify The square root of 45 the square root of 60.

1 Answer

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jeew-m | College Teacher | (Level 1) Educator Emeritus

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`sqrt45xxsqrt60`

`= sqrt(45xx60)`

`= sqrt((15xx3)(15xx4))`

`= sqrt(15^2xx4xx3)`

`= sqrt15^2xxsqrt4xxsqrt3`

`= 15xx2sqrt3`

`= 30sqrt3`