4)kp-kc-px+cx+c-p= =(kp-kc)-(px-cx)-(p-c) помогите решить !

Question

4)kp-kc-px+cx+c-p= =(kp-kc)-(px-cx)-(p-c) помогите решить !

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Answer 1

3) ab + ac + am + yc + yb + ym =
= (ab + ac + am) + (yc + yb + ym) =
= a(b + c + m) + y(c + b + m) = (a + y)(c + b + m)
4) kp - kc - px + cx + c - p =
= (kp - kc) - (px - cx) - (p - c) =
= k(p - c) - x(p - c) - (p - c) =
= (k - x - 1)(p - c)