Question

Achar as raízes das equações:

a)x² - 12x=0

b)x² - 25=0

c) 3x² - 27=0

d)13x² =0

e)4x² - 16=0​

Answer 1

Resposta:

a)x² - 12x=0

×(×-12)=0

×=0

×=12

b)x² - 25=0

×^2=25

×=+-5

c) 3x² - 27=0

3×^2=27

×^2=27/3

×^2=9

×=+-3

d)13x² =0

×^2=0/13

×=0

e)4x² - 16=0​

4×^2=16

×^2=16/4

×^2=4

×=+-2

Explicação passo-a-passo: