Question

The sum of x-y , 3x²- 4y and 3x-y+6 is _______​

Answer 1

Answer:

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

Step-by-step explanation:

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

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

Answer 2

Answer:

hope it helps you

Step-by-step explanation:

(x-y)+(3x²-4y)+(3x-y+6)

=x-y+3x²-4y+3x-y+6

=3x²+x+3x-y-4y-y+6

=3x²+4x-6y+6