6x9 = (6 * 5) + (6

)

What is the missing number

4

6x9=54 = (6*5) + (6*4)

Step-by-step explanation:

6x9=54 = (6*5) + (6*4)

6x9=54

54 is the number you are trying to get

6*5 = 30

so now you need something to add up to 54

6*4=24

24+30=54