factorise a²-b²+2bc-c²?factories
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Answered by
10
a²-b²+2bc-c² =a² - (b² -2bc +c²)
=a² - (b-c)²
=(a-(b-c))(a+(b-c))
[ using identity a²-b² =(a-b)(a+b) ]
= (a-b+c)(a+b-c)
hence.,a²-b²+2bc - c² = (a-b+c)(a+b-c)
gurudevrajak685:
thnx
Answered by
3
Step-by-step explanation:
a²-b²+2bc-c² =a² - (b² -2bc +c²)
=a² - (b-c)²
=(a-(b-c))(a+(b-c))
[ using identity a²-b² =(a-b)(a+b) ]
= (a-b+c)(a+b-c)
hence.,a²-b²+2bc - c² = (a-b+c)(a+b-c)
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