Question

Factorise: x2+ 6x + 9 –4y2$x^{2} +6x+9-4y^{2}$

Answer 1

Answer:

helo guys its your answer

Step-by-step explanation:

21-May-2019 · x2 + 6x + 9 – 4y2. = (x)2 + 2 × x × 3 + (3)2 – (2y)2. = (x + 3)2 – (2y)2. = (x + 3 + 2y) (x + 3 – 2y). = (x + 2y + 3) (x – 2y + 3) (2)