1)4х(2х-1)-(х-3)(х+3) 2)(p+3)(p-11)+(p+6)^

Question

1)4х(2х-1)-(х-3)(х+3) 2)(p+3)(p-11)+(p+6)^

Answer 1

1)4х(2х-1)-(х-3)(х+3)=8x^2-4x-(x^2+9)=8x^2-4x-x^2+9=7x^2-4x+9

 

2)(p+3)(p-11)+(p+6)^2=p^2-11p+3p-33+p^2+12p+36=2p^2+4p+3