2√2+5√2-4√2=√2(2+5-4)=3*√2
-3√5+6√5-4√5+√5=√5(-3+6-4+1)=0
4*11√11-10√11-33√11+2√11=√11(44-10-33+2)=3√11
-2.3√6+2√6-3√6-2.7√6=√6(-2.3+2-2.7-3)=-6√6
√3/2+15/9√3-4√3-5/6√3=√3(1/2+5/3-4-5/6)=√3*(-8/3)
√300=10√3; √288=√2⁵x3²=12√2; √2⁵*3²*7³=√2⁴*3²*7²*7*2=4*3*7√14
√16³=√(2)¹²=2⁶*5=320; √2⁵/5²=4/5√2