ExamPlay Dark Logo
Registrazione

Mathematics for IGCSE & O level - Equations (Section 7 - No. 9)

The expression x² + 10x + 25 can be written as:
(x + 5)²
(x - 5)²
(x + 10)(x + 15)
(x + 5)(x - 5)

Spiegazione

This is a perfect square trinomial: (x+5)² = x² + 10x + 25

Commenti (0)

Annuncio