Mathematics for IGCSE & O level - Algebraic Manipulation (Section 4 - No. 34)
The expression x² + 8x + 16 can be expressed as the product of two brackets, one of which is (x+4). What is the other bracket?
(x + 4)
(x - 4)
(x + 8)
(x - 2)
Giải thích
(x+4)(x+4) = x²+8x+16