Selesaikan soal berikut (4x-1)^2 +2=…
( 4x – 1 )² + 2 = …..
= 16x² – 8x + 1 + 2
= 16x² – 8x + 3
= ( 16x + 4 ) ( x – 3/4 )
X1 :
16 x + 4 = 0
16 x = -4
x1 = – 0,25
X2 :
x – 3/4 = 0
x2 = 3/4 ( 0,75 )
Selesaikan soal berikut (4x-1)^2 +2=…
( 4x – 1 )² + 2 = …..
= 16x² – 8x + 1 + 2
= 16x² – 8x + 3
= ( 16x + 4 ) ( x – 3/4 )
X1 :
16 x + 4 = 0
16 x = -4
x1 = – 0,25
X2 :
x – 3/4 = 0
x2 = 3/4 ( 0,75 )