2√18 - 4√72 - √50 +3√98 simplify
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Step-by-step explanation:
2√(9×2 ) -4√(36×2) -√(25×2) +3√(49×2)
=(2×3√2)-(4×6√2)-(5√2)+(3×7√2)
=(6-24-5+21)√2
= -2√2
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