Question

factorise a^3- 4a^2+12-3a​

Answer 1

Answer:

Step-by-step explanation:

a³-4a²+12-3a

a²(a-4)+12-3a

a²(a-4)-3(-4+a)

(a-4)(a²-3)

Therefore a= -√3,√3 and 4

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