Question

9.-4 ab + ( a + b)2
0 (a-b)(a+b)
O (a-b)(a-b)
O (a+b)(a+b)
O
-2ab​

Answer 1

the answer of this question is -2ab

Answer 2

Answer:

hi buddy

-4ab + (a+b)²

= -4ab + a²+2ab + b² ( expansion of( a+ b)²)

= a²+b²-2ab =( a-b)(a-b)