4(10n² - 2) - 5(8n² + 7) =
= 40n² - 8 - 40n² - 35 =
= 40n² - 40n² - 8 - 35 = -43 ← the end
Answer:D
Step-by-step explanation:
Answer:
The measure of an exterior angle of a triangle is always greater than the measure of either of the opposite interior angles of the triangle
