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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​

User Baby Groot
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7 votes
(5x-7)2 + 140x
= 25x2 - 70x + 14 + 140x
= 25x2 + 70x + 14
= (5x+7)2
User DDub
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