Answer:
x + y = 32
x = y + 8
Step-by-step explanation:
Sum of two numbers is 32:
One number is 8 more than the other:
area of square =length × length ×height
=6×6×8
=288
7 + 11 + 11
7 + 11 = 18
18 + 7 = 25
(x^2 + 3)(x + 1).
x^3 + x^2 + 3x + 3
= x^2(x + 1) + 3(x + 1)
= (x^2 + 3)(x + 1).