Question

A rectangle has a width of (7m - 1) and a length of (5m + 5). Which expression represents the area of the rectangle?

Answer 1

Answer:

35 m^2 + 30 m - 5

Step-by-step explanation:

The area of a rectangle can be found by

A = l*w

  = (7m-1) ( 5m+5)

FOILing

   = (7m*5m) + 7m*5 + -1*5m -5

   = 35m^2 +35m -5m -5

   = 35 m^2 + 30 m - 5