Question

Hey, i need some help regarding this, your help is much appreciated!

Answer 1

Hey
X^2-3x+4-y^2
Rearranging
x^2-y^2-4x+4y
By using the property
a^2-b^2=(a+b) (a-b)
Now
=(x+y)(x-y)-4(x-y)
=(x+y-4)(x-y)
Hope it helps
:)