Question

Which expression is equivalent to 9x²-2y+3x²-3y?
O 6x²+6x²-6y
O 6x²+3x²-5y
O 12x²-2y-3y
O 12x²+2y-3y

Answer 1

Answer: 12x²-2y-3y ==> Option 3

Step-by-step explanation:

9x²-2y+3x²-3y=

9x²+3x²-2y-3y=

12x²-5y=

12x²-2y-3y ==> Option 3