explain this expression to an equivalent standard form quadratic expression

Question

(x+5)(4x-3)

Answer 1

FOIL:
-first outer inner last:
4x^2-3x+20x-15
-combine like terms:
4x^2+17x-15

im pretty sure this is what you are talking about. if not, sorry!

Answer 2

thanks !

Answer 3

hey, no problem!