<span>Scalene triangles;
is this multiple choice or is it a written question?</span><span /><span>
</span>
Answer:
try 67 and see if it was right
Answer:
C:
or 
Step-by-step explanation:
To solve the equation
we need to factor it
We are looking for two numbers that when multiplied give -12 and when added give -x
This means that when factored, the equation would be 
Now we can set each of these equal to 0, which means that at
and
, the equation will equal 0