use greatest common factor and the distributive property to write quivalent expressions in factored form for the following expressions:

a. 4d +12e
b. 18x +30y
c. 21a +28y
d. 24f +56g

Respuesta :

A. 4(d+3e)
B. 6(3x+5y)
C. 7(3a+4y)
D. 8(3f+7g)