find the value of 5x+4x²+7 when X=-1
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Step-by-step explanation:
see above answer in the attachment
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Answered by
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Answer:
5x +4x² +7 =0
=> 5(-1) + 4(-1)²+7=0
=> -5+4+7=0
=> 6=0
this is your answer
hope this helps you
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