(5x-5)(2x-4) simplify the product using FOIL
10x^2-10x+20 is the answer to this
F - Firsts - 5x 2x = 10x^2O - Outers - 5x -4 = -20xI - Inners - -5 2x = -10xL - Lasts - -5 -4 = 20Add the Outers and Inners -20x + -10x = -30xPut them together - 10x^2 -30x +20