Answer:
4325
Step-by-step explanation:
-9
- 2 + ( - 7 )
- 2 - 7 = -9 ( Answer)
xy - -4x²
(2x - 3y)(4x -y)
2x( 4x -y) -3x( 4x - y)
8x² - 2xy - 12x² + 3xy
8x²- 12x²- 2xy + 3xy
-4x² + xy