Answer:He could draw a diagram of a rectangle with dimensions x β 1 and x β 6 and then show the area is equivalent to the sum of x2, βx, β6x, and 6.
Step-by-step explanation:
He could draw a diagram of a rectangle with dimensions x β 1 and x β 6 and then show the area is equivalent to the sum of x2, βx, β6x, and 6.
He could draw a diagram of a rectangle with dimensions x + 7 and x β 1 and then show the area is equivalent to the sum of x2, 7x, βx, and 6.
He could draw a diagram of a rectangle with dimensions x β 3 and x β 4 and then show the area is equivalent to the sum of x2, β3x, β4x, and half of 12.