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How do I factor this trinomial y^2-y-56

How do I factor this trinomial y^2-y-56
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4 votes
How do I factor this trinomial y^2-y-56

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User Brian Gerstle
by
8.6k points

1 Answer

6 votes
y^2 - 8y + 7y - 56 = y( y - 8 ) + 7( y - 8 ) = ( y - 8 )( y + 7 ).
answered
User GloryFish
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