Помогите разложить на множители) Алгебра 8 класс.
[tex]
( x^{2} m- x^{2} n)+( y^{2} m- y^{2} n) \\ a^{3} -2 a^{2} +2a-4 \\ x^{4} + x^{3} y-x y^{3} - y^{4}
[/tex]
[tex]
( x^{2} m- x^{2} n)+( y^{2} m- y^{2} n) \\ a^{3} -2 a^{2} +2a-4 \\ x^{4} + x^{3} y-x y^{3} - y^{4}
[/tex]
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Verified answer
x²(m-n)+y²(m-n)=(m-n)(x²+y²)
2
a²(a-2)+2(a-2)=(a-2)(a²+2)
3
x³(x+y)-y³(x+y)=(x+y)(x³-y³)=(x+y)(x-y)(x²+xy+y²)