1/4 (x-30) < 1/2 (x-2)

Semoga membantu yaaa

1/4(x-30)1/2(x-2)
=1/4x(x-2)-30(x-2)
=1/4x²-1/2-30x+60
=1/4x²-30x-1/2+60 (jwbannya bisa ini)
=1/4x²-30x+30 (juga bisa ini)
smg benar....