Answer:
Alright just simplify the expression So the exact form is
Exact form: 3/40 Hope this helps :)
Step-by-step explanation:
Did it the longer way but i hope it helps you out.... Answer: 2/3
X^2(2y+5)=240
x^2(2(5)+5)=240
x^2+(10+5)=240
x^2+15=240
minus 15 both sides
x^2=225
sqrt both sides
x=15