TOPIC: FACTORISATION
EXERCISE 13(B)
1. a²+ax+ab+bx
2. a²-ab-ca+bc
3.ab-2b+a²-2a
4. a³-a²+a-1
5. xy-ay-ax+a²+bx-ab
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mujhe nhi pata hai sorry mai aapki help nhi kar sakta
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