The formula is 2(wl+hl+hw) to calculate surface area fo a rectangular prism.
20
Step-by-step explanation:
20 gfhhfgjgifjdgxgjcjhxg
Step-by-step explanation:
area of rectangle=length×breadth=(2x+3)(3x+7)
=6x²+9x+14x+21=6x²+23x+21
(X+8) and (x-2) are the favtors