4-16(a-b)^2 factorise
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4-16(a-b)²
= -12(a²-2ab+b²)
= -12a²-(-24ab) - 12b²
= -12a²+24ab - 12b²
= -12(a²-2ab+b²)
= -12a²-(-24ab) - 12b²
= -12a²+24ab - 12b²
tanmay770:
wrong answer
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