Answer: B.x^3+4x^2-19x+14 is correct
Step-by-step explanation:
(x + 7)(x2 – 3x + 2)
Multiplying both
x^3-3x^2+2x+7x^2-21x+14
x^3+4x^2-19x+14
40*30%=12
40-12=28
they would be on sale for $28
with the discount being 12 dollars.
hope this helps!
Answer:
Step-by-step explanation:
