3. 4x² + 8x + 4 factorise it please
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4x2 +8x+4=0
4x2+4x+4x+4=0
4x(x+1)+4(x+1)=0
(4x+4) (x+1)=0
4x+4=0 x+1=0
4x= -4 x=-1
x= -1
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