## Algebra: A Combined Approach (4th Edition)

2$x^{2}$ + 7x - 16
( 2$x^{2}$ + 3x -9 ) - ( -4x + 7 ) 2$x^{2}$ + 3x -9 + 4x -7 2$x^{2}$ + (3x + 4x ) + (-9 -7 ) combine like terms 2$x^{2}$ + 7x -16 simplify