Question
Asked Mar 17, 2020
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For Exercise, solve the inequalities.
(1 – x)(3x + 5)?
(r – 3)*
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For Exercise, solve the inequalities. (1 – x)(3x + 5)? (r – 3)*

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Expert Answer

Step 1

We will check the signs of each factor of the left side.

Algebra homework question answer, step 1, image 1

Because it has even degree 2

 

Algebra homework question answer, step 1, image 2

Because it has even degree 4

 

 

 

Step 2

But (1-x) is not always positive 

The inequality will depend on (1-x) 

If (1-x)<0 then the inequality will be less than 0 too

Algebra homework question answer, step 2, image 1

 

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