Factorise a^2(b+c)-b^2(c+a)+c^2(a+b)+3ab
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Step-by-step explanation:
Here we have a²(b + c) - b²(c + a) - c²(a + b) + 3ab.
Open the brackets...
Thus we get,
a²b + a²c - b²c - b²a - c²a - c²b + 3ab.
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