Question

이차방정식 3(x+2)²=27 을 풀면?

Answer 1

Answer:

5

Step-by-step explanation:

3(x-2)²=27

(x-2)²=27/3

(x-2)² = 9

(x-2)² = 3²

(x-2) = 3

x-2 = 3

x = 3+2

x=5