Finite Math Examples

Solve for p -5p(p-3000p+250000)>0
Step 1
If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .
Step 2
Set equal to .
Step 3
Set equal to and solve for .
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Step 3.1
Set equal to .
Step 3.2
Solve for .
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Step 3.2.1
Subtract from .
Step 3.2.2
Subtract from both sides of the equation.
Step 3.2.3
Divide each term in by and simplify.
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Step 3.2.3.1
Divide each term in by .
Step 3.2.3.2
Simplify the left side.
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Step 3.2.3.2.1
Cancel the common factor of .
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Step 3.2.3.2.1.1
Cancel the common factor.
Step 3.2.3.2.1.2
Divide by .
Step 3.2.3.3
Simplify the right side.
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Step 3.2.3.3.1
Dividing two negative values results in a positive value.
Step 4
The final solution is all the values that make true.
Step 5
Use each root to create test intervals.
Step 6
Choose a test value from each interval and plug this value into the original inequality to determine which intervals satisfy the inequality.
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Step 6.1
Test a value on the interval to see if it makes the inequality true.
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Step 6.1.1
Choose a value on the interval and see if this value makes the original inequality true.
Step 6.1.2
Replace with in the original inequality.
Step 6.1.3
The left side is greater than the right side , which means that the given statement is always true.
True
True
Step 6.2
Test a value on the interval to see if it makes the inequality true.
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Step 6.2.1
Choose a value on the interval and see if this value makes the original inequality true.
Step 6.2.2
Replace with in the original inequality.
Step 6.2.3
The left side is not greater than the right side , which means that the given statement is false.
False
False
Step 6.3
Test a value on the interval to see if it makes the inequality true.
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Step 6.3.1
Choose a value on the interval and see if this value makes the original inequality true.
Step 6.3.2
Replace with in the original inequality.
Step 6.3.3
The left side is greater than the right side , which means that the given statement is always true.
True
True
Step 6.4
Compare the intervals to determine which ones satisfy the original inequality.
True
False
True
True
False
True
Step 7
The solution consists of all of the true intervals.
or
Step 8
The result can be shown in multiple forms.
Inequality Form:
Interval Notation:
Step 9