1)=(2х-3)(х+7)=?????????? 2)=(х-4)(2х+3)=?????

Question

1)=(2х-3)(х+7)=??????????
2)=(х-4)(2х+3)=?????

Answer 1

1)
2x^2+14x-3x-21=2x^2+11x-21
2)
2x^2-8x-12+3x=2x^2-5x-12