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Factor completely, then place the answer in the proper location on the grid.21a 2 - 57a 30

Factor completely, then place the answer in the proper location on the grid.21a 2 - 57a 30
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2 votes
Factor completely, then place the answer in the proper location on the grid.21a 2 - 57a 30

User TheDrot
by
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1 Answer

4 votes
21 a² - 57 a + 30 =
= 3 ( 7 a² - 19 a + 10 ) =
= 3 · 7 · ( a - 5/7 ) · ( a - 2 ) =
= 3 ( 7 a - 5 ) ( a - 2 )
User JK Patel
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