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Question

In the given problem, solve and graph. Express answers in both inequality and interval notation.
x2x12x2+40

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Solution

x2x12x2+40

(x+3)(x4)x2+40

x<-3

x=-3

-3<x<4

x=4

x>4

x-4

-

-

-

0

+

x+3

-

0

+

+

+

x2+4

+

+

+

+

+

(x+3)(x4)x2+4

+

0

-

0

+

[Solution:3x4IntervalNotation:[3,4]]

1136339_427832_ans_a6bbb98c0d6b4be28395a2886ebac155.jpg

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