Question

Bhaskara: 9x²-12x+4=0

Answer 1

Resposta:

X= 2/3

Explicação passo-a-passo:

Answer 2

Δ=b²-4.a.c

a= 9

b= 12

c= 4

Δ= 12²-4.9.4

Δ= 144-144

Δ= 0

X= -b±√Δ / 2.a

X= -(-12)±√0 /2.9

X= 12±√0 / 18

X= 12 / 18

X= {0,6667}