For this case we have the following expression: y2 - xy - 56x2 Rewriting we have the factored expression, which is given by: (7x + y) (y-8x) Checking we have: 7xy - 56x ^ 2 + y ^ 2 - 8xy y ^ 2 - xy - 56x ^ 2 (OK) Answer: The factored expression is given by: y2 - xy - 56x2 = (7x + y) (y-8x)
