SOLUTION: Factor completely 8w^7+6w^6-20w^5

Question 297228: Factor completely 8w^7+6w^6-20w^5
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
2 is the GCF of 8,6,and 20
w^5 is the GCF of w^7,w^6,w^5
so
do quadratic formula

completely factored
__________________

Solved by pluggable solver: SOLVE quadratic equation with variable

Quadratic equation (in our case ) has the following solutons:

For these solutions to exist, the discriminant should not be a negative number.

First, we need to compute the discriminant : .

Discriminant d=169 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: 1.25, -2. Here's your graph:

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