X= 5 or -8
Add all the like terms and set it equal to 49, use quadratic formula or factoring.
Answer:
D
Step-by-step explanation:
Mean is all the data added up and divided by how many numbers there are
Median is when you sort the numbers in order from smallest to largest and the one in the middle, if there are two in the middle find the average
Mode is number ir numbers that appears the most
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