X square + 8 x + 16 Factorise.
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i hope u will undrstand
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x²+8x+ 16 =0
x²+4x+4x+16 =0
x(x+4)+4(x+4)=0
(x+4)(x+4)=0
=x+4=0
x=-4
x²+4x+4x+16 =0
x(x+4)+4(x+4)=0
(x+4)(x+4)=0
=x+4=0
x=-4
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