= x·[2(x²- 4x + 4) + 3(x² + 6x + 9) - x² + 5x]
= x(2x² - 8x + 8 + 3x² + 18x + 27 - x² + 5x)
= x(4x² + 15x + 35)
Use the formula (new price-old price) / old price
32-40=-8
-8/40=-20%
the percent difference is 20%
the negative means it was a markdown
Answer:
7.5888
7.6(rounded)
Step-by-step explanation:
Step-by-step explanation:
2. is false next answer by next person
The answer is 6 with a remainder of 4
