Question

5x^2+4y^2-6y+8-4x^2+6y^2-3y-12​

Answer 1

Answer:

____________

$5x^{2} + 4y^{2} - 6y + 8 - 4x^{2} + 6y^{2} - 3y - 12$

$x^{2} + 10y^{2} - 9y - 4$

Answer 2

Answer:

x²+10y²-9y-4

Step-by-step explanation:

5x²+4y²-6y+8-4x²+6y²-3y-12

sln) 5x²-4x²+4y²+6y²-6y-3y+8-12

= x²+10y²-9y-4

enjoy!