<span>Triangles exist:
</span>3 acute angles<span>
2 acute angles, 1 right angle
</span><span>2 acute angles, 1 obtuse angle
</span>
Triangles DON'T exist for:
<span>1 acute angle, 1 right angle, 1 obtuse angle
</span><span>1 acute angle, 2 obtuse angles</span>
The coefficient of x in this case is 1. (x*x = x^2)
not sure what the dots are supposed to mean..
but i think it's 6B5??
Answer:
-13
you're basically adding -3 and -10 because they're both negatives
