Разложите множители на многочлены: 1) 46(7-8a) + a[8a - 7) - (14-16a) + (7 - 8a)ab;
2) 3.xf5y - 4) - y(4 - 5y) + (15y - 12) - 3xy(4 - 5y);
3) mním - 3n) - mem - 3n) - ním - 3n) + 8(6n-2m);
4)-+ + k)x - (k - oy + (3k - 2t)xy - (-2t + 3k)
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1) 4b(7-8a)+a(8a-7)-(14-16a)+(7-8a)ab=-4b(8a-7)+a(8a-7)+2(8a-7)-(8a-7)ab=(8a-7)(-4b+a+2-ab)=(8a-7)(a-ab-4b+2)

2) 3x(5y-4)-y(4-5y)+(15y-12)-3xy(4-5y)=3x(5y-4)+y(5y-4)+3(5y-4)+3xy(5y-4)=(5y-4)(3x+y+3+3xy)=(5y-4)(3x+3xy+y+3)

3) mn(m-3n)-m(m-3n)-n(m-3n)+8(6n-2m)=mn(m-3n)-m(m-3n)-n(m-3n)-16(m-3n)(m-3n)(mn-m-n-16)=(m-3n)(m-mn+n+16)

4) (k -2/3 ·t)x-(k -2/3 ·t)y+(3k-2t)xy-(3k-2t)=(3k-2t)(xy-1)+(k -((2t)/3)(x-y)=(3k-2t)(3xy-3)+(3k-2t)(x-y)=(3k-2t)(3xy-3+x-y)=(3k-2t)(x+3xy-y-3)