Dati factor comun la exercitiul 10 g si h.

g) 8x(2x-1)²-6(2x-1)=2(2x-1)[4x(2x-1)-3]=2(2x-1)(8x²-4x-3)
h) 9(1-7x)³+3x(1-7x)²=3(1-7x)²[3(1-7x)+x]=3(1-7x)²(3-21x+x)=3(1-7x)²(3-20x)