1.(x+1)(x+2) = (x-1)² 2.(x-12)² = x² +144 3.(2x+4)² = 4x(x+1) Jwab mastah !! :))

1.x² + 3x + 2 = x² -2x +1
=> 5x +1=0
=> x = -1/5

2.x² - 24x + 144 = x² + 144
=> -24x = 0
=> x =0

3.4x² + 16x + 16= 4x² +4x
=> 12x = -16
=> x = -4/3

jawabannya ada di lampiran ya