Question

Factorise : 9x 2 + 6x + 1 - 25y 2

Answer 1

= (3x + 1)² - (5y)²
= (3 x + 1 + 5 y) ( 3x + 1 - 5 y)

as  A² - B² = (A +B)(A-B)

Answer 2

Answer:

Step-by-step explanation:

= (3x + 1)² - (5y)²

= (3 x + 1 + 5 y) ( 3x + 1 - 5 y)

as  A² - B² = (A +B)(A-B)