a)x²-16=0
x=4 , x=-4
b)(x-1)(x-3)(x-5)=0
x=1, x=3 , x=5 c)x⁴=1
x=1, x=-1 d)|x|=7
x=7, x=-7 e)|2x|=16
x=-8 , x=8 f)|x-2|=3
x=5, x=-1
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a)x²-16=0
x=4 , x=-4
b)(x-1)(x-3)(x-5)=0
x=1, x=3 , x=5
c)x⁴=1
x=1, x=-1
d)|x|=7
x=7, x=-7
e)|2x|=16
x=-8 , x=8
f)|x-2|=3
x=5, x=-1