mohon bantuannya dengan cara terimakasih

|x-3|² = |4x-1|²
x²-6x+9 = 16x² -8x +1
0 = 15x² -2x-8
0 = (3x-2)(5x+4)
x = 3/2 atau x = -4/5

|x-5|² <= |x+2|²
x²-10x+25 - (x²-4x+4) <=0
x²-10x+25 - x² +4x-4 <= 0
-6x+21 <= 0
-6x<=-21
x>= 21/6
x>=7/2