Vanessa uses the expressions (3x2 + 5x + 10) and (x2 – 3x – 1) to represent the length and width of her patio. Which expression
represents the area (lw) of Vanessa’s patio?
2 answers:
The area of rectangle with length l and width w is

If the length of rectangle is expressed as
and the width of rectangle is expressed as
, then the area of rectangle is

To get the area simply multiply the length by the width.
(3x^2+5x+10)(x^2-3x-1) = 3x^4 - 4x^3 - 8x^2 - 35x - 10
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