Mathematics for IGCSE & O level - Algebraic Manipulation (Section 4 - No. 46)

What are the factors of x² - 36?

(x - 6)(x - 6)

(x + 6)(x + 6)

(x + 6)(x - 6)

(x + 12)(x - 3)

Giải thích

x²-36 = (x-6)(x+6)

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