Question

factorise the following:49x²-25y²​

Answer 1

Answer:

(7x + 5y) × (7x - 5y)

Step-by-step explanation:

49x² - 25y²

= (7x)² - (5y)²

= (7x + 5y) × (7x - 5y) [a² - b² = (a + b)×(a - b)]

Hope it helps.