Simplify 2a2 -4ab - 6a2 - 10ab + 5ab - 5a2
A
-9(a + b)
B
9(a + b)
C
-9a (a + b)
D
9a(a - b)
E
9b(a + b)
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #42218)