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\frac{x+2}{\left(x-4\right)\left(x+4\right)}+\frac{4}{\left(x-4\right)\left(5x+1\right)}
ដាក់ជាកត្តា x^{2}-16។ ដាក់ជាកត្តា 5x^{2}-19x-4។
\frac{\left(x+2\right)\left(5x+1\right)}{\left(x-4\right)\left(x+4\right)\left(5x+1\right)}+\frac{4\left(x+4\right)}{\left(x-4\right)\left(x+4\right)\left(5x+1\right)}
ដើម្បីបូក ឬដក​កន្សោម ពន្លាតពួកវាដើម្បីធ្វើឲ្យភាគបែងរបស់ពួកវាដូចគ្នា។ ពហុគុណរួមតូចបំផុតនៃ \left(x-4\right)\left(x+4\right) និង \left(x-4\right)\left(5x+1\right) គឺ \left(x-4\right)\left(x+4\right)\left(5x+1\right)។ គុណ \frac{x+2}{\left(x-4\right)\left(x+4\right)} ដង \frac{5x+1}{5x+1}។ គុណ \frac{4}{\left(x-4\right)\left(5x+1\right)} ដង \frac{x+4}{x+4}។
\frac{\left(x+2\right)\left(5x+1\right)+4\left(x+4\right)}{\left(x-4\right)\left(x+4\right)\left(5x+1\right)}
ដោយសារ \frac{\left(x+2\right)\left(5x+1\right)}{\left(x-4\right)\left(x+4\right)\left(5x+1\right)} និង \frac{4\left(x+4\right)}{\left(x-4\right)\left(x+4\right)\left(5x+1\right)} មានភាគបែងដូចគ្នា សូមបូកពួកវាដោយការបូកភាគយករបស់ពួកវា។
\frac{5x^{2}+x+10x+2+4x+16}{\left(x-4\right)\left(x+4\right)\left(5x+1\right)}
ធ្វើផល​គុណនៅក្នុង \left(x+2\right)\left(5x+1\right)+4\left(x+4\right)។
\frac{5x^{2}+15x+18}{\left(x-4\right)\left(x+4\right)\left(5x+1\right)}
បន្សំដូចជាតួនៅក្នុង 5x^{2}+x+10x+2+4x+16។
\frac{5x^{2}+15x+18}{5x^{3}+x^{2}-80x-16}
ពន្លាត \left(x-4\right)\left(x+4\right)\left(5x+1\right)។
\frac{x+2}{\left(x-4\right)\left(x+4\right)}+\frac{4}{\left(x-4\right)\left(5x+1\right)}
ដាក់ជាកត្តា x^{2}-16។ ដាក់ជាកត្តា 5x^{2}-19x-4។
\frac{\left(x+2\right)\left(5x+1\right)}{\left(x-4\right)\left(x+4\right)\left(5x+1\right)}+\frac{4\left(x+4\right)}{\left(x-4\right)\left(x+4\right)\left(5x+1\right)}
ដើម្បីបូក ឬដក​កន្សោម ពន្លាតពួកវាដើម្បីធ្វើឲ្យភាគបែងរបស់ពួកវាដូចគ្នា។ ពហុគុណរួមតូចបំផុតនៃ \left(x-4\right)\left(x+4\right) និង \left(x-4\right)\left(5x+1\right) គឺ \left(x-4\right)\left(x+4\right)\left(5x+1\right)។ គុណ \frac{x+2}{\left(x-4\right)\left(x+4\right)} ដង \frac{5x+1}{5x+1}។ គុណ \frac{4}{\left(x-4\right)\left(5x+1\right)} ដង \frac{x+4}{x+4}។
\frac{\left(x+2\right)\left(5x+1\right)+4\left(x+4\right)}{\left(x-4\right)\left(x+4\right)\left(5x+1\right)}
ដោយសារ \frac{\left(x+2\right)\left(5x+1\right)}{\left(x-4\right)\left(x+4\right)\left(5x+1\right)} និង \frac{4\left(x+4\right)}{\left(x-4\right)\left(x+4\right)\left(5x+1\right)} មានភាគបែងដូចគ្នា សូមបូកពួកវាដោយការបូកភាគយករបស់ពួកវា។
\frac{5x^{2}+x+10x+2+4x+16}{\left(x-4\right)\left(x+4\right)\left(5x+1\right)}
ធ្វើផល​គុណនៅក្នុង \left(x+2\right)\left(5x+1\right)+4\left(x+4\right)។
\frac{5x^{2}+15x+18}{\left(x-4\right)\left(x+4\right)\left(5x+1\right)}
បន្សំដូចជាតួនៅក្នុង 5x^{2}+x+10x+2+4x+16។
\frac{5x^{2}+15x+18}{5x^{3}+x^{2}-80x-16}
ពន្លាត \left(x-4\right)\left(x+4\right)\left(5x+1\right)។