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Mathematics for IGCSE & O level - Algebraic Manipulation (Section 7 - No. 36)

Expand (x + 2)(x + 2)
x^2 + 2x + 4
x^2 + 4x + 4
x^2 + 4
x^2 + 2x + 2

Penjelasan

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

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