(1) x² - 4x + 4 = 0
(factorisation)
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Step-by-step explanation:
x² - 4x + 4 = 0
x² - 2x-2x + 4 =0
x(x-2) -2(x-2) =0
(x-2)(x-2)= 0
x =2,2.
so value of x= 2
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