write the experience
(x+1/2)²
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Answered by
0
Answer:
x^2+1/4+2×x×1/2
=x^2+1/4+x
Answered by
0
Answer:
=(x+1/2)²
=x²+(1/2)²+2*x*1/2
=x²+1/4+x
=x²+x+1/4
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