1)(-а+b)(-b+a)= 2)(m-n)(n+m)= 3)(-c-d)(-c+d)= 4)(-3y-4)(4-3y)= 5)(-3y-4mn)(4mn-3)=...

Question

1)(-а+b)(-b+a)= 2)(m-n)(n+m)= 3)(-c-d)(-c+d)= 4)(-3y-4)(4-3y)= 5)(-3y-4mn)(4mn-3)= 6)-4x(-3+x)(x-3)=

Answer 1

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