(5 root7+3)(4-root7)
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Answered by
1
Answer:
20root7-35+12+3root7
23root7 - 23
23(root7-1)
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0
= (5 ROOT 7 + 3) (4 - ROOT 7)
= 20 ROOT 7 - 35 + 12- 3 ROOT 7
= 20 ROOT 7 - 3 ROOT 7 -35+12
= 17 ( 7) -23
= 119 - 23
= 96
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