Cum rezolvi 3 / (2x) -9 / 2 = 6x?

Cum rezolvi 3 / (2x) -9 / 2 = 6x?
Anonim

Răspuns:

# x = 1/4, -1 #

Explicaţie:

# 3 / (2x) -9 / 2 = 6x #

# 3 / (2x) - (9x) / (2x) = 6x #

# (3-9x) / (2x) = 6x #

# 3-9x = 12x ^ 2 #

# 12x ^ 2 + 9x-3 = 0 #

# 4x ^ 2 + 3x-1 = 0 #

# (4x-1) (x + 1) = 0 #

# x = 1/4, -1 #