Question

Find the square of x+2y-3y

Answer 1

x+2y-3y
=x-y

Now square of x-y
=
$=(x - y) {}^{2}$
$= x {}^{2} - 2xy + {y}^{2}$

Answer 2

Answer:

Step-by-step explanation:

X+2y-3y

=x-y

(x-y)^2

=x^2-2xy+y^2

This is using the formula

(a-b)^2=a^2-2ab+b^2

Hope soo u understand......