Pre-Algebra Examples

$20 + 5 m + 12 n + 3 m n$

Step 1

Factor out the greatest common factor from each group.

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Step 1.1

Group the first two terms and the last two terms.

$(20 + 5 m) + 12 n + 3 m n$

Step 1.2

Factor out the greatest common factor (GCF) from each group.

$5 (4 + m) + 3 n (4 + m)$

Step 2

Factor the polynomial by factoring out the greatest common factor, $4 + m$ .

$(4 + m) (5 + 3 n)$