Hop, skip and a jump

Algebra Level 3

Let a,b,ca,b,c be the roots of the equation x3+3x2+7x+6=0.x^{3} + 3x^{2} + 7x + 6 = 0.

Find (ab)2+(bc)2+(ac)2.(ab)^{2} + (bc)^{2} + (ac)^{2}.

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