Mathematics for IGCSE & O level - Algebraic Manipulation (Section 5 - No. 18)

Expand (x + 4)(x - 4)

x² + 16

x² - 16

x² + 8x + 16

x² - 8x + 16

Maelezo

(x+4)(x-4)=x²-4x+4x-16 = x²-16

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Tangazo