Factorise 3-12 (a-b)
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Answered by
0
HEY MATE!
-9a+9b=0
9a-9b=0
a-b=0
if a=0
then b=0
-9a+9b=0
9a-9b=0
a-b=0
if a=0
then b=0
Answered by
0
Answer:
Anna pavlova
Good evening
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