6x-18
you pretty much h just multiply both the first part of the parentheses by the number outside, then the second :)
The ratio is 5:4:7:9. The reason why they didn't write it together is that the bananas are written in different form.
Answer:
1) x= 3i, x= - 3i
2) x= +i
, x = - i
Step-by-step explanation:
1) x^2+9=0
(x+3i)(x-3i)=0
x= 3i, x=-3i
2) x^2-4=-11
x^2=-7
x= ±i
x= +i
, x = - i
hope this helps!! :))
1 inch = 13.5 feet
5 inches = 5 * 13.5 = 67.5 feet