Question

Express into product of two terms 25x² - 9​

Answer 1

25x²=9

x²=9/25

x=root 9/25

x =3/5

Answer:

3/5

Answer 2

Answer:

25x² - 9

= (5x)² - (3)²

We know that,

a² - b² = ( a + b) ( a - b)

so, (5x)² - (3)²

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