Вынести за скобку 1. a×b×c+a×b= 2. a×b×c-64×c= 3. 23×a×b+2×a-3×a2= 4. 42×x×y+11×x= 5. 6×x×y+3×y+36= 6. (7×x×y-7×x)+(55×x×y-5×x)= 7. (8×x2+4×x)+1= 8. 5×x5-10×x3+35×x6=

1. a*b(c + 1)
2. c(a*b - 64)
3. a(23b + 2 - 3a)
4. x(42y + 11)
5. 3y(2x + 1 + 12)
6. 7x(y-1) + 5x(11y - 1)
7. 4x(2x + 1) + 1
8.  5x³(x² - 2 + 7x³) 

1) а*b*c+a*b= abc+ab= ab (c+1)
2)a*b*c - 64*c= abc-64c= c (ab-64)
3)23*a*b+2*a-3*2a=23ab+2a-6a=2a (11,5b+1-3)=11,5b-2
4)42*x*y+11*x=42xy+11x=x (42y+11)
5)6xy+3y+36=3 (2xy+y+12)
6)(7xy-7x)+(55xy-5x)=7x (y-1)+5x (11y-1)
7)(8x^2+4x)+1=4x (2x+1)+1
8)5x^5-10x^3+35x^6=5x^3 (x^2-2+7x^3)