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Vilka [71]
3 years ago
7

4x2 + 3 = -7x solve for xx=_,_​

Mathematics
1 answer:
Alenkinab [10]3 years ago
3 0

\displaystyle\bf 4x^2+3=-7x\\4x^2+7x+3=0  \\\\D=49-48=1  \\x_1=\frac{-7+1}{8} =-\frac{3}{4} \\x_2=\frac{-7-1}{8} =-1\\\\Answer: \boxed{  x_1=-\frac{3}{4} \quad ; \quad x_2=-1}

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