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Neha wrote $(x + 5)^{2} = x^{2} + 25$ . Which term did she miss?

Class 9Algebraic IdentitiesPolynomials

A $2 x$
B $25 x$
C $10 x$
D $5 x$

Step-by-Step Solution

(x + 5)^{2} = x^{2} + 2 \cdot x \cdot 5 + 25 = x^{2} + 10 x + 25

. She dropped the

2 ab

term,

10 x

.

Answer: C)

10 x

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