Answer:
In order, they would be:
-4.45 min, -1.8 min, -(1 + 2/3) min, -1.375 min
Step-by-step explanation:
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The 2 from the a and the 4 will reduce to 1/2 and the a's from a^2 and 4a will reduce to a/1 so your answer would be (ab^2)/2
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Recall that the quadratic formula states that, the solutions to the quadratic equation

are

Now, in the given equation, a=-1 ,b=-6, and c= 8. Therefore, the solutions to the equation are:

Simplifying the above result, we get:

Answer: