Find the domain of the following functions :
f(x)=x²-3x+2%x²+x-6
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x^2 +x - 6 = 0
=> (x+3)(x-2)=0
=> x = - 3, 2
So domain is (-infinity, - 3)U(-3,2)U(2,infinity)
=> (x+3)(x-2)=0
=> x = - 3, 2
So domain is (-infinity, - 3)U(-3,2)U(2,infinity)
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