3*(x+5)^(1/2)=-9
(x+5)^(1/2)=-3
x+5=9
x=4
3*(4+5)^(1/2)=-9
3*(9)^(1/2)=-9
3*3=-9
4 is an extraneous solution
Answer:
2
Step-by-step explanation:
where both lines intersect
therefore 2 and 5 are the two solutions
Celculate the figures by using the numbers,with letters
Answer:
That is a variable.
Step-by-step explanation:
- opposed to a constant which is known and does not change.