3 years ago

4x2 + 3 = -7x solve for xx=_,_

1 answer:

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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4x2 + 3 = -7x solve for xx=_,_​

4x2 + 3 = -7x solve for xx=_,_