Kendall says the sum of (6x^2+4xy+2y^2) and (4x^2-2xy-3y^2) is (10x^2+2xy-5y^2) what error did kendall make

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.

What is the slope of the line that contains the points (-2,1) and (0,-3)

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?