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12 May, 07:44

Factor the expression r^2+19rs+90s^2

A: (r+3s) (r+30s)

B: (r+3) (r+30s^2)

C: (r+10s) (r+9s)

D: (r+10) (r+9s^2)

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Answers (2)
  1. 12 May, 09:16
    0
    The expression factorises to C.
  2. 12 May, 09:32
    0
    The answer to the question is c
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