can someone help with these last two problems?

1. (5√32)-(7√8)
A. 4√2
B. 3√2
C. 6√3
D. 6√2

2. (2√15xy³)(3√30x³y²)
A. 4x²y³√5xy
B. 3x²√2y
C. 90x²y²√2y
D. x²y²√xy

Question

can someone help with these last two problems?

1. (5√32)-(7√8)
A. 4√2
B. 3√2
C. 6√3
D. 6√2

2. (2√15xy³)(3√30x³y²)
A. 4x²y³√5xy
B. 3x²√2y
C. 90x²y²√2y
D. x²y²√xy

anonymous · Answer

@Beautiful_Lier96  
can u write sqrt(32) and sqrt(8) in terms of sqrt(2)?

anonymous · Answer

no i have to choice a through d

anonymous · Answer

number 1 is d idk 2 yet

anonymous · Answer

cool do u know how to solve the first ques?

anonymous · Answer

no. i put it in the calculator. i placed the prob. then did all the choices and matched it to the answer

anonymous · Answer

do u want to know how to solve the ques no but i m not going  give u a direct answer for this

anonymous · Answer

yea

anonymous · Answer

cool 
sqrt(32) can be written as sqrt(2*2*2*2*2)
now try to write sqrt(8) in terms of multiples of 2

anonymous · Answer

2*2*2

anonymous · Answer

good can sqrt(32) be written as 4sqrt(2)?

anonymous · Answer

no it would be 4^2*2

anonymous · Answer

u r wrong
do u know what are squareroots?