Question

POR FAVOR ME AJUDEM!!!

04. Resolva:

A) 3x²-48=0

B) 2x²+6x=0

C) 7x²= 14x

D) 4x²-36=0

Answer 1

Resposta:

A)3x^2=48

x^2=48/3

x^2=16

x= |4|

B)x(2x+6)=0

x'=0

x"=-3

C)x(7x-14)=0

x'=0

x"=2

D)x^2=36/4

x^2=9

x=|3|