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in Algebraic Expressions by (31.2k points)
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(x + 4)(x + 4) = ?

A. (x2 + 16)

B. (x2 + 4x + 16)

C. (x2 + 8x + 16)

D. (x2 + 16x)

1 Answer

+1 vote
by (30.8k points)
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Best answer

We know that,

(x + 4)(x + 4) = (x + 4)2

From formula, (a + b)2 = a2 + b2 + 2ab

(x + 4)2 = x2 + 42 + 2 × x × 4

= x2 + 8x + 16

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