Question

Find the product for each of the following(show the process, tiles, box, foil,ec.)

a. (x+3)(x+5) b.(3x-2)(x+4) c. x(x-7)

Answer 1

a) (x + 3)( X + 5 )

x( x + 3 )+ 5 (x + 3 )

x square + 3 X + 5 x + 15

X square + 8 x + 15

b)( 3 x minus 2)( X + 4)

x (3 x - 2 )+ 4(3 X - 2 )

3 x square - 2 X + 12 x -8

3 X square + 10 x - 8

c)x(x - 7)

x square - 7 x