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Show that (5x-7)2 +140x=(5x+7)2

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Show that (5x-7)2 +140x=(5x+7)2

asked Apr 9, 2022 31.7k views

22 votes

Show that (5x-7)2 +140x=(5x+7)2

Mathematics
college

Baby Groot asked

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1 Answer

7 votes

(5x-7)2 + 140x
= 25x2 - 70x + 14 + 140x
= 25x2 + 70x + 14
= (5x+7)2

DDub answered Apr 15, 2022

by DDub

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