1. | 4x-2 |= | x+7 |2. | 3x +2 |² + | 3x + 2 | -2 = 0​

Jawaban:

1. X1=-1 X2=3

Penjelasan:

1. |4x-2|=|x+7|

•4x-2=x+7

x=3

•4x-2=-(x+7)

x=-1