Question

fatore
a) 3m+9n-6
b)a²b+ab²
c)x²-4
d)x²y²-16
e)m²-25

Answer 1

a)
3m + 9n - 6

3m + 3n + 6n - 6
3( m + n) + 6(n - 1)

b)
a²b + ab² = ab(a + b)

c)
x² - 4 = ( x + 2). (x - 2)

d) x²y² - 16 = (xy + 4) (xy - 4)

e) m² - 25 = ( m + 5). (m - 5)