1)
Area of bigger rectangle
A = (x+1)(x+1) = x^2 + 2x + 1
2)
Area of smaller rectangle
A = 5(x - 7) = 5x - 35
3)
The difference:
(x^2 + 2x + 1) - (5x - 35)
= x^2 + 2x + 1 - 5x +35
= x^2 - 3x + 36
area of the shaded region = x^2 - 3x + 36
Answer:
6 (8 + 2)
The sum means addition. Add 8 and 2. Multiply that entire thing by 6.
Answer is D.
Tempted to give you my number for help.
Answer:
just substitute x for 5 and then solve and then substitute x for -1 and solve and subtract the two answers you get
