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31-10-2020
Mathematics

contestada

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

Respuesta :

okekekamsy okekekamsy

31-10-2020

Answer:

1: x= 3

2:x=12

3:x= 6.7

4:x=3.6

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