Question

Question #03b24

Answer 1

The answer is `-105/8`
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Explanation:

There is a step applied in the sum using `color(red)(red)` color.

The formula is that for an equation `color(red)(ax^2+bx+c=0`, if the two roots of the equation are `color(darkgreen)R_1` and `color(darkgreen)R_2`... then `color(red)(R_1cdotR_2=c/a`

Let's see the answer...