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(4x - 2)(4x - 2) = 4x^2 +(3x - 1)(3x - 1)
16x^2 - 16x + 4 = 4x^2 + 9x^2 - 6x +1
=(16-4+9)x^2 + (-16+6)x + (4-1)
= 21x^2 - 10x + 5
maaf ya kalo ngga telitiii
16x²-16x+4=4x²+9x²-6x+1
16x²-16x+4=13x²-6x+1
16x²-13x²-16x+6x+4-1=0
3x²-10x+3=0
(3x-9)(3x-1)
x=3 atau v=1/3