Answer:
it have no answer in real number(but it have in complex number if you know)
Step-by-step explanation:
4x^2+36=0
4x^2=-36
(if you know complex numbers see this: x^2=-9 then
)
You need to divide the two numbers. 15/3 = 5
For every 5 days you do 1 job
5:1
You just put I line in the middle and you times high times base the do the other one then add your answers up that should be your finely answer
So it would be 3s + 7s + 11s + 15s + 19s + 23s + 27s. Hope this helps