<img src="https://tex.z-dn.net/?f=0.7x%5E%7B2%7D%20%20-%204.3x%20%2B%203.9%20" id="TexFormula1" title="0.7x^{2} - 4.3x + 3.9 "

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2 years ago

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alt="0.7x^{2} - 4.3x + 3.9 " align="absmiddle" class="latex-formula">

1 answer:

Ostrovityanka [42]2 years ago

4 0

Use the quadratic formula to get
x= -11.24188336 or -15.17240236

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