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4x²-8x+4=4x²-16x
4=-8x
x=-½
c) x(4x−3)=(2x−3)²
4x²-3x=4x²-12x+9
9x=9
x=1
(2x−2)²=4x(x−4)
4x²-8x+4=4x²-16x
4x²-8x-4x²+16x=-4
8x=-4
x=-½
Spr.
(2*(-½)−2)²=4*(-½)[(-½)−4]
(-1-2)²=-2*[-4½]
(-3)²=-2*-9/2
9=9
prawda
c) x(4x−3)=(2x−3)²
4x²-3x=4x²-12x+9
4x²-3x-4x²+12x=9
9x=9
x=1
Spr.
x(4x−3)=(2x−3)²
1*(4*1−3)=(2*1−3)²
1=(-1)²
1=1
prawda