Question

perfect square of s²-25​

Answer 1

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${s}^{2} - 25$

${s}^{2} - {5}^{2}$

Answer 2

${s}^{2} - 25 = {s}^{2} - {5 }^{2} \\ {s}^{2} - 25 = (s - 5)(s + 5)$