(2x + 10)(x - 9)
2x(x - 9) + 10(x - 9)
2x(x) - 2x(9) + 10(x) - 10(9)
2x² - 18x + 10x - 90
2x² - 8x - 90
It can help you by showing you what you do more simplified. For example 3(x+5) is 3 time x + 3 times 5
Answer: b duhhh
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
