Question

(x²+x)2 +4(x²+x)-21​

Answer 1

Answer:

(x²+x) [2+4]-21

(x²+x) *6-21

(x²+x) *(-15)

-15x²-15x

Answer 2

Answer:

hi dear

here is ur answer

2x2+2x+4x2+4x-21

=2x2+4x2+2x+4x-21

=6x2+6x-21