Question 31401
(5x – 8)(x – 7)
FOIL

First
{{{5x*X = 5X^2}}}

Outer
{{{5X*(-7)= -35X}}}

Inner
{{{-8*X = -8X}}}

Last
{{{-8 *(-7) = +56}}}

Adding all
{{{5X^2 -35X-8X+56}}}
{{{5X^2 -43X+56}}}