RinnHodges
RinnHodges
26-06-2018
Mathematics
contestada
form a perfect square trinomial y=x^2+2x+
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gmany
gmany
26-06-2018
[tex](a+b)^2=a^2+2ab+b^2[/tex]
[tex]y=x^2+2x+...=x^2+2\cdot x\cdot1+1^2=x^2+2x+1=(x+1)^2[/tex]
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