Question

Expand the following :-​

Answer 1

( x - 2y + 2 ) ²

answer : x² - 4xy + 4x + 4y² - 8y + 4

hope helpful for you

Answer 2

Answer:

(x)2-4y2-8y+6

Step-by-step explanation:

(a+b+c)2= a2+b2+c2+2(ab+bc+ca)

Let x be a

-2y be b

2 be c

So, (x-2y+2)2= (x)2+(-2y)2+(2)2+2((x*-2y)+(-2y*2)+(2*x)

Note: 2 written after a number means square or whole square...superscript is not available in my keyboard