a)t^2+tx+11x+11t=t(t+x)+11(x+t)=(t+11)(t+x)
b)8m^2-m^3-4+m=4(2m^2-1)-m(m^2-1)=(4-m)(m^2-1)
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a)t^2+tx+11x+11t=t(t+x)+11(x+t)=(t+11)(t+x)
b)8m^2-m^3-4+m=4(2m^2-1)-m(m^2-1)=(4-m)(m^2-1)