Q. 53.6( 10 Votes )

# (x + 4)(x + 4) = ?

A. B.

C. D.

Answer :

We know that,

(x + 4)(x + 4) = (x + 4)^{2}

From formula, (a + b)^{2} = a^{2} + b^{2} + 2ab

(x + 4)^{2} = x^{2} + 4^{2} + 2 × x × 4

= x^{2} + 8x + 16

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