обьясните пожалуйста, как разложить на мнодители:
1.(x+1)+x(x+1)
2.m^2(n+1)+2m(n+1)
3.x(y-z)+3(z-y)
4.a(b-c)-b(c-b)
1.(x+1)+x(x+1)
2.m^2(n+1)+2m(n+1)
3.x(y-z)+3(z-y)
4.a(b-c)-b(c-b)
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Answers & Comments
Verified answer
1.(x+1)+x(x+1)=(x+1)·1+x(x+1)=(x+1)(1+x);2.m²(n+1)+2m(n+1)=(n+1)(m²+2m)=(n+1)m(m+2);
3.x(y-z)+3(z-y)=x(y-z)-3(y-z)=(y-z)(x-3);
4.a(b-c)-b(c-b) =a(b-c)+b(b-c) =(b-c)(a+b).