Question

( 5x – 2y) ( 5x + 3y) solve using identities​

Answer 1

Step-by-step explanation:

identity=(a+b)(a-b)=a²-b²

5x²-3y²

25x²-9y²

Answer 2

Answer: 25x² + 5xy - 6y²

[5x-2y][5x-3y]

*Both the first terms are same but second terms are different.

We can use the property of

[x +a][x +b] = x²+ [a +b]x +[ab]

[5x+ -2y][5x + 3y]

= 5x² + [-2+3]5x + [-2×3]

= 25x² + 5xy- 6y²

Hope this helps...!!!!

Good day !!!