Solve the following equations:
1
|
(x + 3)2 = 49 |
2
|
|
3
|
4
|
x2 = 5x + 2 | |
5
|
x2 + 6x + 7 = 0 |
6
|
|
7
|
x + √ x − 30 = 0 |
8
|
(x − 1)2 = 3 |
9
|
10
|
||
11
|
x2 − 25 = 0 |
12
|
(√x + 3)2 = 25 |
13
|
√x + 1/√x = 2 |
14
|
3x2 + 6x = -2 |
15
|
16
|
||
17
|
3y = log 2 32 |
18
|
4x = 17 |
19
|
3x+1 = 30 |
20
|
15 = 2e2x |