To combine the terms \(-3a\) and \(-12a\), you simply add the coefficients of \(a\):
\[ -3a - 12a = (-3 - 12)a = -15a \]
So, \(-3a - 12a = -15a\).
-3a-12a
1 answer
1 answer
To combine the terms \(-3a\) and \(-12a\), you simply add the coefficients of \(a\):
\[ -3a - 12a = (-3 - 12)a = -15a \]
So, \(-3a - 12a = -15a\).