How do you factor by grouping: $8 s t + 12 t - 10 s - 15$ $8st+12t-10s-15$ ?

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How do you factor by grouping: $8 s t + 12 t - 10 s - 15$ $8st+12t-10s-15$ ?

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Answer 1 · 2015-04-21T12:34:20

You can try collecting $2 s$ $2s$ from the first and third term and $3$ $3$ from the second and fourth:
$2 s (4 t - 5) + 3 (4 t - 5) =$ $2s(4t-5)+3(4t-5)=$
$(4 t - 5) (2 s + 3)$ $(4t-5)(2s+3)$

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How do you factor by grouping: $8 s t + 12 t - 10 s - 15$ $8st+12t-10s-15$ ?

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How do you factor by grouping: 8st+12t-10s-158st+12t−10s−158st+12t-10s-15?

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How do you factor by grouping: $8 s t + 12 t - 10 s - 15$ $8st+12t-10s-15$ ?