sederhanakan bentuk di bawah ini:a. 2√24 + √54 - 2√150b. 3√50 - 4√72 + 7√2c. √2(√6-7)d. (√5+√6)(√2-√5)

a.4√6+3√6-5√6
=2√6
b.15√2-24√2+7√2
= -2√2
c. √2 -1/-1(√-1)
=√2(-1)(√-1/-1)
=√2(-1)(√1)
=√2(-1)1
=√ -2
=-1√-2/-1
= -1 √2(kayaknya yg c salah)
d. √10-√25+√12-√30
=√10-5+2√3-√30
√10+2√3-√30-5