If your figure is correct, then Neptune's radius would be 7.3 times the size of Mars'. Tell us either one and we'll have both of them.
Yes because removing the common factor is important. There are a few steps, then you can factor by regrouping. Hope this helps.
Answer:
Step-by-step explanation:
4x - 5(x + 3) Remove the brackets. Watch the - sign and -5*3
4x - 5x - 15 Combine the xs
-x - 15
5x+(-4)-5x=6x+4-5x
-4=x+4
x=-8
To get rid of 5x on the left side.
