Mathematics for IGCSE & O level - Algebraic Manipulation (Section 2 - No. 8)

Which expression is a perfect square trinomial?

x² + 4

x² - 6x + 9

x² - 9

x² + 2x

Explicaţie

x² - 6x + 9 factors to (x - 3)²

Comentarii (0)

Publicitate