Question: Is it possible to calculate the exact value rather than represent as a2 = a2

from (x+2)^4

sys:=[a[2]*b[2] = 1,a[1]*b[2]+a[2]*b[1] = 8,a[0]*b[2]+a[1]*b[1]+a[2]*b[0] = 24,a[0]*b[1]+a[1]*b[0] = 32,a[0]*b[0] = 16];


solve(sys, {a[0],a[1],a[2],b[0],b[1],b[2]});

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