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Basic Math Examples
Step 1
Step 1.1
To find the interval for the first piece, find where the inside of the absolute value is non-negative.
Step 1.2
Solve the inequality.
Step 1.2.1
Subtract from both sides of the inequality.
Step 1.2.2
Divide each term in by and simplify.
Step 1.2.2.1
Divide each term in by .
Step 1.2.2.2
Simplify the left side.
Step 1.2.2.2.1
Cancel the common factor of .
Step 1.2.2.2.1.1
Cancel the common factor.
Step 1.2.2.2.1.2
Divide by .
Step 1.2.2.3
Simplify the right side.
Step 1.2.2.3.1
Move the negative in front of the fraction.
Step 1.3
In the piece where is non-negative, remove the absolute value.
Step 1.4
To find the interval for the second piece, find where the inside of the absolute value is negative.
Step 1.5
Solve the inequality.
Step 1.5.1
Subtract from both sides of the inequality.
Step 1.5.2
Divide each term in by and simplify.
Step 1.5.2.1
Divide each term in by .
Step 1.5.2.2
Simplify the left side.
Step 1.5.2.2.1
Cancel the common factor of .
Step 1.5.2.2.1.1
Cancel the common factor.
Step 1.5.2.2.1.2
Divide by .
Step 1.5.2.3
Simplify the right side.
Step 1.5.2.3.1
Move the negative in front of the fraction.
Step 1.6
In the piece where is negative, remove the absolute value and multiply by .
Step 1.7
Write as a piecewise.
Step 1.8
Simplify .
Step 1.8.1
Simplify each term.
Step 1.8.1.1
Apply the distributive property.
Step 1.8.1.2
Multiply by .
Step 1.8.1.3
Multiply by .
Step 1.8.2
Subtract from .
Step 1.9
Simplify .
Step 1.9.1
Simplify each term.
Step 1.9.1.1
Apply the distributive property.
Step 1.9.1.2
Multiply by .
Step 1.9.1.3
Multiply by .
Step 1.9.1.4
Apply the distributive property.
Step 1.9.1.5
Multiply by .
Step 1.9.1.6
Multiply by .
Step 1.9.2
Add and .
Step 2
Step 2.1
Solve for .
Step 2.1.1
Move all terms not containing to the right side of the inequality.
Step 2.1.1.1
Subtract from both sides of the inequality.
Step 2.1.1.2
Subtract from .
Step 2.1.2
Divide each term in by and simplify.
Step 2.1.2.1
Divide each term in by . When multiplying or dividing both sides of an inequality by a negative value, flip the direction of the inequality sign.
Step 2.1.2.2
Simplify the left side.
Step 2.1.2.2.1
Cancel the common factor of .
Step 2.1.2.2.1.1
Cancel the common factor.
Step 2.1.2.2.1.2
Divide by .
Step 2.1.2.3
Simplify the right side.
Step 2.1.2.3.1
Divide by .
Step 2.2
Find the intersection of and .
Step 3
Step 3.1
Solve for .
Step 3.1.1
Move all terms not containing to the right side of the inequality.
Step 3.1.1.1
Subtract from both sides of the inequality.
Step 3.1.1.2
Subtract from .
Step 3.1.2
Divide each term in by and simplify.
Step 3.1.2.1
Divide each term in by .
Step 3.1.2.2
Simplify the left side.
Step 3.1.2.2.1
Cancel the common factor of .
Step 3.1.2.2.1.1
Cancel the common factor.
Step 3.1.2.2.1.2
Divide by .
Step 3.1.2.3
Simplify the right side.
Step 3.1.2.3.1
Move the negative in front of the fraction.
Step 3.2
Find the intersection of and .
Step 4
Find the union of the solutions.
Step 5
The result can be shown in multiple forms.
Inequality Form:
Interval Notation:
Step 6