Question

factorise a(b-c)(b+c)-d(c-d)​

Answer 1

a(b-c)(b+c)-d(c-d)
=a(b²-c²)-d(c-d)
=a(b²-c²)-cd+d²

Answer 2

Answer:

a(b² - c²) - dc + d²

a b² - ac² - dc + d².

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thank you!!!