Simplify root 5 minus root 3 upon root 80 + root 48 - root 45 - root 27
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=√5-√3/√80+√48-√45-√27
=√5-√3/4√5+4√3-3√5-3√3
=√5-√3/(4√5-3√5)+(4√3-3√3)
=√5-√3/(√5)+(√3)
=-√3/√3
=-1
=√5-√3/4√5+4√3-3√5-3√3
=√5-√3/(4√5-3√5)+(4√3-3√3)
=√5-√3/(√5)+(√3)
=-√3/√3
=-1
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