find the following products... (5x-3)(3x-8)
(5x-3)(3x-8)
Using FOIL, first, outer, inner, last
(5x-3)(3x-8)
First 5x * 3x = 15x^2
Outer 5x * - 8 = -40x
Inner -3 * 3x = - 9x
Last -3 * -8 = 24
put together
15x^2 - 40x - 9x + 24
add similar terms,
15x^2 - 49x + 24