Answer:
No
Step-by-step explanation:
These sides are unable to form an obtuse triangle, making these sides unable to form any triangle. However they are able to form a right triangle (A Pythagorean triple) and an acute.
Are you factoring or simplifying?
Yes because 3*5 = 15
Factors multiply to get the product.
The equation would be 6x+x=63. Not sure how the models play out, but good luck