SOLUTION: r to the 2nd power - 5r + 6 ___________ ___________ ____ r to the 2nd power - 4

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Question 356296: r to the 2nd power - 5r + 6
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r to the 2nd power - 4
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

*Assumming these expressions are both equal to 0

r%5E2+-+5r+%2B+6+=+0

(r- 6)(r + 1)= 0

r = 6

r = -1

.

r%5E2+-+4%29

(r- 2)(r + 2) = 0

r = 2

r = -2