Question

pfv só reponde se souber, to precisando das respostas

Answer 1

Explicação passo-a-passo:

a)

• 4bz² - 12bz = 4bz.(z - 3)

• z² - 6z + 9 = (z - 3).(z - 3)

mmc = 4bz.(z - 3).(z - 3)

mmc = 4bz.(z² - 6z + 9)

mmc = 4bz³ - 24bz² + 36bz

b)

• y² + 2y + 1 = (y + 1).(y + 1)

• y² - 1 = (y - 1).(y + 1)

mmc = (y + 1).(y + 1).(y - 1)

mmc = (y + 1).(y² - 1)

mmc = y³ + y² - y - 1