Question

(b) x(x + 7) - 4(x + 7)​

Answer 1

x(x + 7) - 4(x + 7)

x² + 7x - 4x - 28

Answer 2

x ( x + 7 ) - 4 ( x + 7 )

x² + 7x - 4 ( x + 7 )

x² + 7x - 4x - 28

x² + 3x - 28

hope helpful for you