Positive Nine is the right answer after direct substitution.
The expressions are not equivalent because if you simplify Expression 2, it simplifies to 5x
5x is not equal to 3 - 5x
1+1/x^2 when multiplied by x^2 we get: (x^2+1)/x^2.
Answer:
7.863
Step-by-step explanation:
I do believe the answer is F