Find the product of (2\(\sqrt{y} - 3y\)) and (3y + 2\(\sqrt{y}\))
A
4y = y2
B
4y + 9y2
C
4y - 9y2
D
-4y - 9y2
E
2y + y2
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
(2\(\sqrt{y} - 3y\)) and (3y + 2\(\sqrt{y}\))
= 6y\(\sqrt{y}\) + 4y - 9y\(^2\) - 6y\(\sqrt{y}\)
= 4y - 9y\(^2\)
Source: Myschool Past Questions Archive (Record #32627)