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5 votes
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)

2 Answers

5 votes
The expression factorises to C.
User Max Yari
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3 votes
the answer to the question is c
User Israt Jahan Simu
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