7bt - 21b - 35bt
factorise the following ...
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Answered by
4
Step-by-step explanation:
-28bt-21b
b(-28t-21)=0
b=0
t=-21/28
Answered by
7
Answer:
7bt - 21b - 35bt
=21b - 28bt
=7b(3 - 4t)
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