1) √72=√(36*2)=6√2
2) 1/2√48=1/2√(16*3)=1/2 * 4√3 = 2√3
3) -2,4√75=-2,4√(25*3)=-2,4 * 5√3=-12√3
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Answers & Comments
1) √72=√(36*2)=6√2
2) 1/2√48=1/2√(16*3)=1/2 * 4√3 = 2√3
3) -2,4√75=-2,4√(25*3)=-2,4 * 5√3=-12√3