Question

Daily Maths Challenge
For class 9 students...​

Answer 1

Answer:

(x/3+1/3)(x/3-1/3)

Step-by-step explanation:

= x²/9-9/4

= (4x²-36)/36

= 4(x²-9)/36

= (x²-9)/9

using (a²-b²) = (a+b)(a-b)

= (x+3)(x-3)/9

= (x/3+1/3)(x/3-1/3)

Answer 2

Please refer to the attachment