X + 9 X-1 The length of the rectangle is x + 9 cm. The width of the rectangle is x - 1 cm. Form an expression for the area of the rectangle.
Answer:
x²+8x-9
Step-by-step explanation:
Area is Lenght * Width
(x+9)(x-1)
x²+ 9x-x-9
x²+8x-9