Question

6x²-4y²-3x²+7y²-y²+4x²​

Answer 1

Answer:

7x²+2y²

Step-by-step explanation:

add all the x² term and y²terms you will get the answer

Hope this helps

Answer 2

Step-by-step explanation:

Note:you should arrange like terms

Now

(6x2-3x2+4x2) (-4y2+7y2-y2)

(6-3+4)x2 (-4+7-1)y2

7x2+2y2.answer