factorise 3ab²+15a²b²+21a³b²
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Step-by-step explanation:
3ab²+15a²b²+21a³b² common factor= 3ab
3ab (b+5ab+7a²b)
Answered by
0
Answer:
bro its of 123 marhs
Step-by-step explanation:
I'm doing this to get some
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