Prove that for any natural value of n the value of the expression: (n+1)^2–(n–1)^2 is divisible by 4

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

Using inductive reasoning, what is the next two numbers in this set? 1,-7,13,-19 i got the numbers 14,-26 is that right?

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y