4(10n² - 2) - 5(8n² + 7) =
= 40n² - 8 - 40n² - 35 =
= 40n² - 40n² - 8 - 35 = -43 ← the end
Answer:
A
Step-by-step explanation:
2 + 12 = 14 = 4 + 10
yes
4:8 and 3:6 when simplified gives the same result which is 1:2
