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=4x²-4x + 1 - 25
=4x² - 4x -24
( 2x + 4 ) ( 2x - 6)
2 x + 4 = 0
2x= -4
x=-4/2 =-2
2x-6=0
2x=6
x=6/2 = 3
moga membantu dan berman faat