Mathematics for IGCSE & O level - Algebraic Manipulation (Section 4 - No. 22)

What are the matching brackets that equal x²+4x+4?

(x-2)

(x+2)

(x-2) and (x+2)

(x+2) and (x+2)

解释

(x+2) and (x+2) = x²+4x+4

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