Đáp án:
1, ab+ac=a(b+c)
2,ab-ac+ad=a(b-c+d)
3,)ax-bx-cx+dx=x(a-b-c+d)
4, )a(b+c)-d(b+c)=(a-d)(b+c)
5,ac-ad+bc-bd=a(c-d)+b(c-d)
=(a+b)(c-d)
6)ax+by+bx+ay
=x(a+b)+y.(a+b)
=(x+y)(a+b)
Cho mình xin câu trả lời hay nhất nhé
Thank you very much
Giải thích các bước giải:
1)ab+ac
=a.(b+c)
2)ab-ac+ad
=a.(b-c+d)
3)ax-bx-cx+dx
=x.(a-b-c+d)
4)a(b+c)-d(b+c)
=(a-d)(b+c)(b+c)
5)ac-ad+bc-bd
=a(c-d) + b(c-d)
=(a+b)(c-d)(c-d)
=ax+bx+by+ay
=x(a+b)+y(b+a)
=(x+y)(a+b)(b+a)
Xin hay nhất ak :>
Giúp e với ak E cảm ơn nhiều :)
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