Question

-9x^2=0 urgenteee..​

Answer 1

Resposta:

81

Explicação passo-a-passo:

-9x^2=0

9.9= 81

-81X=0 (x1)

X= 81

Answer 2

delta=b*2-4ac=0*2-4.(-9).0=0
x’=-b+raiz0/2(-9)=-0+0/-18=0
x”=-b-raiz0/2(-9)=-0-0/-18=0
Logo, x=0