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Pre-Algebra Examples
Step 1
Write as an equation.
Step 2
Step 2.1
Factor by grouping.
Step 2.1.1
For a polynomial of the form , rewrite the middle term as a sum of two terms whose product is and whose sum is .
Step 2.1.1.1
Factor out of .
Step 2.1.1.2
Rewrite as plus
Step 2.1.1.3
Apply the distributive property.
Step 2.1.2
Factor out the greatest common factor from each group.
Step 2.1.2.1
Group the first two terms and the last two terms.
Step 2.1.2.2
Factor out the greatest common factor (GCF) from each group.
Step 2.1.3
Factor the polynomial by factoring out the greatest common factor, .
Step 2.2
Cancel the common factor of .
Step 2.2.1
Cancel the common factor.
Step 2.2.2
Divide by .
Step 3
The given equation can not be written as , so doesn't vary directly with .
doesn't vary directly with