Question

One of the factors of the expression $m^2$ + 7𝑚 + 12 can be:

• A. m + 4
• B. m + 5
• C. m - 4
• D. m - 3

Answer 1

The correct option is A m + 4

$m^2$ + 7𝑚 + 12
$m^2$ + 3𝑚 + 4m + 12
m(m+3) + 4(m+3)
(m+3)(m+4)