Question

Cuando es (x^2 - 1)^3?

Answer 1

$(x^{2} -1)^{3}=( x^{2} )^{3}-3( x^{2} )^{2}(1)+3( x^{2} )(1)^{2}-1^{3}= \\ \\ x^{6}-3x^{4}+3 x^{2} -1$