Directions: Determine values to place in the missing spots to solve the equation below. You may use integer values:

### Hint

### Hint

Try factoring to rewrite your expressions.

### Answer

### Answer

one solution has a=2,b=- 3 c=1 d= -6

a=-2 b=1, c=-3,d=2

There are an infinite number of solutions

a=-2 b=1, c=-3,d=2

There are an infinite number of solutions

Source: Sandra Crawford

Just did this activity with my year 10s today, and it was fantastic. The problem simplified down really nicely, and they found it very exciting to find solutions, and to start finding patterns among them.