Finite Math Examples

Simplify (4x^2-4x-3)/(8x^3+1)
Step 1
Factor by grouping.
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Step 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 .
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Step 1.1.1
Factor out of .
Step 1.1.2
Rewrite as plus
Step 1.1.3
Apply the distributive property.
Step 1.2
Factor out the greatest common factor from each group.
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Step 1.2.1
Group the first two terms and the last two terms.
Step 1.2.2
Factor out the greatest common factor (GCF) from each group.
Step 1.3
Factor the polynomial by factoring out the greatest common factor, .
Step 2
Simplify the denominator.
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Step 2.1
Rewrite as .
Step 2.2
Rewrite as .
Step 2.3
Since both terms are perfect cubes, factor using the sum of cubes formula, where and .
Step 2.4
Simplify.
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Step 2.4.1
Apply the product rule to .
Step 2.4.2
Raise to the power of .
Step 2.4.3
Multiply by .
Step 2.4.4
Multiply by .
Step 2.4.5
One to any power is one.
Step 3
Cancel the common factor of .
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Step 3.1
Cancel the common factor.
Step 3.2
Rewrite the expression.