1)A)4c^3d*(-3c^4d)=-12
B)(5a^4bc)^2 =**=25
2)(4m+1)^2+(4m-1)(4m+1)=(4m+1)*(4m+4m)=(4m+1)*8m=8m*(4m+1)
3)A)2a^3x^3-2a^3x^2-10a^2x=2x*(-ax-5)
B)5a^2b-5ab^2-a+b=5ab*(a-b)-(a-b)=(a-b)*(5ab-1)
1)A)4c^3d*(-3c^4d)=-12

B)(5a^4bc)^2 =
*
*
=25


2)(4m+1)^2+(4m-1)(4m+1)=(4m+1)*(4m+4m)=(4m+1)*8m=8m*(4m+1)
3)A)2a^3x^3-2a^3x^2-10a^2x=2
x*(
-ax-5)
B)5a^2b-5ab^2-a+b=5ab*(a-b)-(a-b)=(a-b)*(5ab-1)