√5(√5+√20) √3(2√3-√127+√48)

Question

√5(√5+√20)

√3(2√3-√127+√48)

Answer 1

1-√5(√5+√20)=√5(√5+2√5)=√5*3√5=5*3
2-√3(2√3-√127+√48)=√3(2√3-√127+4√3)=√3*(6√3-√127)=18-√381

Answer 2

√5(√5+√20) = 5 + 10 = 15
√3(2√3-√127+√48) = 6 - √381 + 12 = 18 - √381