Question

Bantuin yaa.. tolong niih
( 2x - 3 )^ - 4 ( 2 x - 3 ) - 12 = 0
brpa hasil nya.
jalan nya jga yaa, ^ itu pangkat 2.

Answer 1

Misalkan (2x-3) = a
a^2 - 4a -12 = 0
(a-6)(a+2)  = 0
a = 6 --> 2x - 3 = 6 --> x = 9/2
a = -2 --> 2x-3 = -2 --> x = 1/2