How do you simplify numeric and algebraic expressions that contain exponents?

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.