Pre-Algebra Examples

Factor by Grouping -41x+20+20x^2
Step 1
Reorder terms.
Step 2
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 2.1
Factor out of .
Step 2.2
Rewrite as plus
Step 2.3
Apply the distributive property.
Step 3
Factor out the greatest common factor from each group.
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Step 3.1
Group the first two terms and the last two terms.
Step 3.2
Factor out the greatest common factor (GCF) from each group.
Step 4
Factor the polynomial by factoring out the greatest common factor, .