Answer:
Explanation:
The expression can be fully factored as ...
 3·5·(x-3)
Equivalent expressions can be formed by eliminating parentheses to give ...
 15x -45
or by combining different pairs of factors:
Of course any of the terms can be broken apart and/or combined in different ways:
 = 15(x -2) -15
 = (7x -7) + 2(4x -19)