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2v²+5v-7=0 please help!!

2v²+5v-7=0 please help!!
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2v²+5v-7=0 please help!!

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User Silentnuke
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1 Answer

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2v^2+5v-7=0\\ 2v^2-2v+7v-7=0\\ 2v(v-1)+7(v-1)=0\\ (2v+7)(v-1)=0\\ v=-(7)/(2) \vee v=1
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User Dan Woodward
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