expand split plz answer
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A^2+6a-16=0
=a^2-2a+8a-16=0 (factors used are 2 and 8)
=a(a-2)+8(a-2)=0
=(a+8)(a-2)
=(a=-8)(a=2)
=a= -8 , 2
=a^2-2a+8a-16=0 (factors used are 2 and 8)
=a(a-2)+8(a-2)=0
=(a+8)(a-2)
=(a=-8)(a=2)
=a= -8 , 2
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