Answer:
3cm I think that's the answer
THe LCD is x(x^2 - 4)
so multiplying through by this we get:-
2x(x + 2) + 7x = 5(x^2 - 4)
2x^2 + 4x + 7x = 5x^2 - 20
3x^2 - 11x - 20 = 0
(3x + 4)(x - 5 ) = 0
so x = 5 , -4/3
Its the second choice
Can someone help me out 4. Normal body temperature is 98.6 degrees Fahrenheit, although it varies slightly for some people.
Answer:
For
it will be plus or minus 
For
it will be plus or minus 
Step-by-step explanation:
Well for
it will be 5i
Because i = -1
The factored form for this question is (5x-1)(x-5)