Got you. So we will use the basic formula for the area of a rectangle and insert variable values. (^_^)
Area= Width(Height) ----------- Insert values of width and height [width = (x-1)
, height = (x+9)]
Area= (x-1)(x+9) ) -------------- Then expand if needed?
= x² +8x -9
Answer:
22500
Step-by-step explanation:
You have to multiply 9 by 25000.
Answer: A) -8
B) - 41
C) - 39
Step-by-step explanation: