Respuesta :
14a^2 - 24a + 7 - (11a^2 + 42a - 6)...distribute the negative thru the parenthesis
14a^2 - 24a + 7 - 11a^2 - 42a + 6 =
3a^2 -66a + 13 <==
14a^2 - 24a + 7 - 11a^2 - 42a + 6 =
3a^2 -66a + 13 <==