a²-b²-c²+2bc
factorise
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Answered by
1
Answer:
ok i can solve but 5 minutes
Answered by
1
Step-by-step explanation:
a²-(b²+c²-2bc)
=a²-(b-c)²
=a²-b²=(a+b)(a-b)
=(a+b-c)(a-b+c)
hope this may help you
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