Answered

(x+4) squared

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Sagot :

Answer:

x^2+8x+16

Step-by-step explanation:

(x+4)^2

(x+4)(x+4)

FOIL:

(x)(x)=x^2

(x)(4)=4x

(x)(4)=4x

(4)(4)=16

x^2+4x+4x+16

x^2+8x+16