A coefficient goes before a variable and is a constant. When the coefficients are equal but opposite it means you have an even function.
Answer:
7x-14
Step-by-step explanation:
JL is the sum of JM and LM
JL = 5x-8 + 2x-6
Combine like terms
JL = 7x -14
Answer: 6x^3
Step-by-step explanation: