Question

Multiply (X-4) (X+5)

Answer 1

i hope you understand..........

Answer 2

Answer:

x² + x - 20

Step-by-step explanation:

( x - 4 ) ( x + 5 )

= x² + ( - 4 + 5 ) x + ( - 4 ) 5

= x² + 1x + ( - 20 )

= x² + x - 20