Answer:
use sine or cosine rule
Step-by-step explanation:
that's the answer by using the sine rule
Answer:
13x² - 4x
Step-by-step explanation:
3x + 4x² - 7x + 9x² ← collect like terms
= (4x² + 9x² ) + (3x - 7x)
= 13x² + (- 4x)
= 13x² - 4x
Answer: The display becomes skewed left.
Step-by-step explanation: