Answer:
4.3 *10^3
Step-by-step explanation:
The solution is
and 
Step-by-step explanation:
The expression is 
Multiplying the term
by
, we get,

Adding both sides by 1,

Taking factor, we get,

Equating the factors to 0,
and 
Thus, the smaller value is 
The solution is
and 
Step-by-step explanation:
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Answer: (-19/80, -1/2)
Step By Step Explanation:
First you want to do 2/5 - 7/8. Once you get -19/40, you want to divide it by 2. After doing this step, you will get -19/80. Next, you want to do the same thing with the other one. -2/5 -3/5 or 2/5+3/5 except the answer will be negative. Now you get -1/2. Therefore, the answer is (-19/80, -1/2). Sorry if my explanation is trashy.
Is the 8 with the problem?