which are perfect trinomial square? write yes or no. x^2+10x+25
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yes it is perfect trinomial square because its factor is possible
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=(x−5)2. Explanation: 25=52. Given that, x2−10x+25. =x2−10x+52. Identity: a2−2(ab)+b2=(a−b)2. Here, a=xandb=5. ∴ =(x−5)2.
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