Ответ: (a+1)(b+9); (a+5)(c-6); (-1+y)(x-7).
Объяснение:
a(b+9)+b+9 = a(b+9)+1(b+9) = (a+1)(b+9);a(c-6)+5c-30 = a(c-6)+5(c-6) = (a+5)(c-6);7-x+y(x-7) = -1(x-7)+y(x-7) = (-1+y)(x-7).
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ: (a+1)(b+9); (a+5)(c-6); (-1+y)(x-7).
Объяснение:
a(b+9)+b+9 = a(b+9)+1(b+9) = (a+1)(b+9);
a(c-6)+5c-30 = a(c-6)+5(c-6) = (a+5)(c-6);
7-x+y(x-7) = -1(x-7)+y(x-7) = (-1+y)(x-7).