1. Combine like terms: 9a - 16a + 5a
2. First, sum the coefficients of a: 9 - 16 + 5
3. Calculate: 9 - 16 = -7 and then -7 + 5 = -2
4. The expression simplifies to: -2a
Answer: -2a
Frequently asked questions (FAQs)
Question: What is the period of the trigonometric function f(x) = 3sin(2x) + cos(5x)?
+
Question: In triangle ABC, the angle bisector of angle B divides the opposite side AC into segments of length 4cm and 6cm. What is the length of side BC?
+
Math question: What is the measure of angle AOC in a circle, given that angles AOB and BOC are 75° and 85° respectively?