a // The sum of a real number and its square is 20
b // If a teacher places the students of his class in groups of 4, there are 2 children left. If he places them in groups of 3, then 1 student remains, but then there are 2 extra groups. How many students does this class have?
Answers
Answered by
1
Answer:
a. The answer of this question will be four because - 4+4²=20
Similar questions