Question

slove this using algebraic identity

(plz solve this in step by step with explanation)​

Answer 1

Answer:

$( \frac{2}{3} x - \frac{5}{7} y)( \frac{2}{3} x + \frac{5}{7} y) \\ ( { \frac{2}{3}x )}^{2} - ( { \frac{5}{7} y)}^{2} \\ \frac{4}{9} {x}^{2} - \frac{25}{49} {y}^{2} \\ ansssssss$

Step-by-step explanation:

please Mark as a result

Answer 2

Answer:4/9x^2 - 25/49y^2

Step-by-step explanation:

Identity used is (a+b)(a-b)=a^2-b^2