Express (2x - 4)(x + 7) as a trinomial .

Question

Just answer correctly please...

Answer 1

Use FOIL. First is 2x times x = 2x^2

Outside is 2x times 7 = 14x

Inside is -4 times x =-4x

Last is -4 times 7 =-28

put them together you get 2x^2 +14x -4x -28

combine the x terms to get a trinomial

2x^2 +10x -28