lexiboo lexiboo
  • 13-09-2017
  • Mathematics
contestada


Simplify the expression 2√ 20 − 3√ 7 − 2√ 5 + 4√ 63 .



A. 2√ 20 − 4√ 7 − 2√ 5
B. 2√ 20 − 3√ 7 − 2√ 5 + 4√ 63
C. 2√ 20 − 3√ 7 + 4√ 63
D. 2√ 5 + 9√ 7

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riyap2100 riyap2100
  • 14-09-2017
the answer is C i think though
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