Question

Упростите выражение 40c^2-(1+6c)^2+1

Answer 1

=40c²-(1+12c+36c²)+1=40c²-1-12c-36c²+1=4c²-12c=4с(с-3)

Answer 2

40с^2-(1+12c+36c^2)+1
40c^2-1-12c-36c^2+1
4c^2-12c
4c(c-3)