Question

factorise: x(a-3) +y(3-a)
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Answer 1

Step-by-step explanation:

x(a-3)+y(3-a)

=ax-3x+3y-ay

=ax-ay-3x+3y

=a(x-y)-3(x-y)

=(x-y)(a-3)

Answer 2

Answer:

x( a-3) - y (-3+a)

x(a-3) - y( a-3)

(x-y) (a-3)

Step-by-step explanation:

Hence solved........