tolong dijawab ya pliss thanks

3x²+4y²+4x-y+2x+7y
= 3x²+4y²+4x+2x-y+7y
= 3x²+4y²+6x+6y (A)

3x^2 + 4y^2 + 4x - y + 2x + 7y
= 3x^2 + 4y^2 + (4x+2x)+(-y+7y)
=3x^2 + 4y^2 + 6x + 6y

jawabannya  A