Question

Упростите выражение
a) (2-(3-x)^2)^2-(2+(x-3)^2)^2

Answer 1

=(2-(9-6х+х^2)^2-(2+х^2-6х+9)^2=(2-9+6х-х^2)^2-(2+х^2-6х+9)^2=(-7+6х-х^2)^2-(х^2-6х+11)^2=49+36х^2+х^4-(х^4+36х^2+121)=49+36х^2+х^4-х^4-36х^2-121=49-121=-72