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√27 + √243 - 2√729
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Hyy Dude
√3*9 + √7*49 - 2√9*81
3√3 + 7√7 - 18√9
3√3 + 7√7 - 54
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Answer:
Step-by-step explanation:
√27 + √243 - 2√729
= 3√3+9√3-2x27
= 12√3-54