Question

x2 - 6x = 0
x2 - 10x = 0
x2 - 81 = 0
16x2 - 36 = 0 me ajudemm​

Answer 1

Resposta:

Explicação passo-a-passo:

a) x(x-6)=0

x=0

x-6=0

x=6

b) x(x-10)=0

x=0

x=10

c) x^2=81

x= +-V81]

x=+-9

d) 16x^2=36

x^2 = 36/16

x= +- V36/V16

x=+-6/4 simplifica

x= +- 3/2