Question

упростите выражения (x^15+5)(x^3+2)-10-x^18

Answer 1

держи..................

Answer 2

$(x^{15}+5)(x^{3}+2)-10-x^{18}=x^{18}+2x^{15}+5x^{3}+10-10-x^{18}=2x^{15}+5x^{3}=x^{3}(2x^{12}+5)$