maceycrowe2001pe4mqh maceycrowe2001pe4mqh

22-02-2019
Mathematics

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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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meredith48034 meredith48034

22-02-2019

the answer to the question is c

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22-02-2019

The expression factorises to C.

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