Question

solve the inequality (x +2)^2 > 9​

Answer 1

Answer:

x

≤

±

3

⇔

x

≤

|

3

|

−

3

≤

x

≤

3

Explanation:

x

2

≤

9

Take the square root on both sides:

√

x

2

≤

√

9

x

≤

±

3

which can also be written as

x

≤

|

3

|

which is the same as

−

3

≤

x

≤

3