Question

actorise each of the following:

a. x² – 25y²
b.81p² - 49m²
c. 121a²- 169b²​

Answer 1

Answer:

a. x² - 5²

( x+5)( x-5)

b. (9p)²- (7m)²

(9p +7p) (9p - 7m)

c. (11a)² - (13 b)²

(11a + 13b )(11a - 13b)

Step-by-step explanation:

use this property

a² - b²= ( a+ b)(a- b)