Write as a product of two polynomials

Since the formula for .

So,

= (Breaking -2xy as -xy-xy)

= (Making the group of terms)

=x(x-y) +y(y-x)-a(y-x) (Taking out the common factor)

=-x(y-x)+y(y-x)-a(y-x)

=(y-x)(-x+y-a)

=-(x-y)(-(x-y+a))

=(x-y)(x-y+a)

60%

its a trick question

step-by-step explanation:

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