To find the difference between the two areas, we need to subtract the area of room B from the area of room A.
(5x^2 - 7x - 6) - (8x^2 + 6x - 1)
Simplifying the expression by distributing the negative sign, we get:
5x^2 - 7x - 6 - 8x^2 - 6x + 1
Combining like terms, we get:
-3x^2 - 13x - 5
Therefore, the answer is option C: –3x2 – 13x – 5.
The area of room A is (5x2 – 7x – 6) ft2. Room B has an area of (8x2 + 6x – 1) ft2. If room A is the larger room, how much greater is the area of room A than the area of room B?
A. –3x2 – x – 7
B. 13x2 – 13x – 7
C. –3x2 – 13x – 5
D. 3x2 – x – 5
1 answer