Question

evaluate each of the following using suitabe identities (5y-2x)²​

Answer 1

Answer:

24

Step-by-step explanation:

Answer 2

Answer:

$25y^{2}$ + $4x^{2}$ - 20yx

Step-by-step explanation:

(5y-2x)²​

= (5y - 2x)(5y - 2x)

= $25y^{2}$- 10yx - 10yx + $4x^{2}$

= $25y^{2}$ + $4x^{2}$ - 20yx