Factor (a+b)m^2+(a+b)n

$(a + b) m^{2} + (a + b) n$

Factor $a + b$ out of $(a + b) m^{2}$ .

$(a + b) (m^{2}) + (a + b) n$

Factor $a + b$ out of $(a + b) n$ .

$(a + b) (m^{2}) + (a + b) (n)$

Factor $a + b$ out of $(a + b) (m^{2}) + (a + b) (n)$ .

$(a + b) (m^{2} + n)$