Question

(x+1) (x+2) (3x-1) (3x-4) + 12

Answer 1

Answer:

8x-2+12

=8x+10

Step-by-step explanation:

Answer 2

Answer:

($x^{2}$+ 3x+ 4)(9$x^{2}$- 15x+ 16)+ 12

9$x^{4}$-15$x^{3}$+16$x^{2}$- 45$x^{2}$+ 27$x^{3}$+ 48x+ 36$x^{2}$- 60x+ 64 +12

9$x^{4}$+ 12$x^{3}$+ 7$x^{2}$- 12x+78