Question

4x² + 3 = -7x
solve for x
x=_,_​

Answer 1

`\displaystyle\bf 4x^2+3=-7x\\\\4x^2+7x+3=0 \\D=49-48=1 \\\\x_(1;2)=(-7\pm1)/(8) => x_1=-1\quad ; \quad x_2=-(3)/(4) \\\\\\Answer:\boxed{x_1=-1\quad ; \quad x_2=-(3)/(4) }`