Question

(x+2)*(7y-x+3) me ajudem

Answer 1

= (x + 2).(7y - x + 3)
 
= x.7y + x.(-x) + 3.x + 2.7y + 2.(-x) + 2.3

= 7xy - x² + 3x + 14y - 2x + 6

= 7xy + x - x² + 14y + 6

Answer 2

(x+2 ) × ⇒ (7y-x+3)

 7Y-x²+3x+14Y-2x+3
7y+14y-x²-2x+3+3

 R: =20y-x²-2x+6