Answer:
he can make 27 packages and will have 3 pens left over
(-3x²- 9x+5) - (-2x²-4x +7)
= (-3x²- 9x²+5) (2x²+4x +7)
=-3x²-9x+5+2x²+4x-7
=-3x²+2x²-9x+4x+5-7
=-x²-5x-2
A
Step-by-step explanation:
A composite number is a number that has more than two factors, including one and itself.
