show that √48-3√72-√27+5√18=√3-3√2
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Step-by-step explanation:
√48-3√72-√27+5√18
=√(4×4×3) - 3√(2×2×2×3×3) -√(3×3×3)+ 5√(3×3×2)
=4√3 -18√2 -3√3 +15√2
=(4√3 -3√3) +(15√2-18√2)
=√3-3√2
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