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1. $x^{2} + 5 x, x^{2} - 25 x, x^{2} + 7 x + 10$

A. $x - 5$
B. $x - 5$
C. $x - 5$
D. $x - 5$

Answer: Option B

Explanation:

x²+5x=x(x+5)

x²-25=(x+5)(x-5)

x²+7x+10=x²+5x+2x+10=(x+5)(x+2)

So, HCM=(x+5)

(ans)

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