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

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asked Nov 2, 2017 10.3k views

2 votes

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

Mathematics
high-school

TheDrot asked

by TheDrot

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1 Answer

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21 a² - 57 a + 30 =
= 3 ( 7 a² - 19 a + 10 ) =
= 3 · 7 · ( a - 5/7 ) · ( a - 2 ) =
= 3 ( 7 a - 5 ) ( a - 2 )

JK Patel answered Nov 8, 2017

by JK Patel

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

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