Question

solutions of quadratic equations by extracting the square root .

1.3x²=27
2.x²-144=0
3.x²-20=25
4.4x²-16=36
5.(2x-1)² =36​

Answer 1

Answer:

1: x= 3

2:x=12

3:x= 6.7

4:x=3.6