Question

using suitable identity.,factories 125x^2-81/4y^2​

Answer 1

Step-by-step explanation:

125x² - 81/4y²

(5x)² - (9)² / (2y)²

(5x - 9)(5x + 9) / (2y)²

Answer 2

Factor:

125

x

3

+

343

y

3

Ans:

(

5

x

+

7

y

)

(

25

x

2

−

35

x

+

49

y

2

)

Explanation:

Use the algebraic identity:

a

3

+

b

3

=

(

a

+

b

)

(

a

2

−

a

b

+

b

2

)

125

x

3

+

343

y

3

=

(

5

x

+

7

y

)

(

25

x

2

−

35

x

y

+

49

y

2

)

hope it helps you ☺️