(2√7-5√3)(3√3+4√7) multiply class 9
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Answer:11-14√21
Step-by-step explanation:(2√7-5√3)(3√3+4√7)
2√7(3√3+4√7)-5√3(3√3+4√7)
6√21+56-45-20√21
11-14√21
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