Respuesta :

Answer:

Exact Form:

3 √7 0 − 6 √ 30

Decimal Form:

−

7.76355265 ...

Hello from MrBillDoesMath!

Answer:

3 sqrt(70) - 6 sqrt(30)

Discussion:

3 sqrt(10)   ( sqrt(7) - 2 sqrt(3)) =

3 sqrt(10*7) - 6 sqrt(3*10) =

3 sqrt(70) - 6 sqrt(30)

Not sure if this is what they wanted

Thank you,

MrB