Solve Linear Quadratic
1. State the problem: Solve the equation $$\frac{3}{2}x + 3 - \frac{1}{2}x + 1 = \frac{1}{x} + 1$$ for $$x$$.
2. Simplify the left side by combining like terms:
$$\frac{3}{2}x - \frac{1}{2}x + 3 + 1 = \left(\frac{3}{2} - \frac{1}{2}\right)x + 4 = 1x + 4 = x + 4$$
3. Rewrite the equation:
$$x + 4 = \frac{1}{x} + 1$$
4. Subtract 1 from both sides:
$$x + 3 = \frac{1}{x}$$
5. Multiply both sides by $$x$$ to eliminate the denominator (note that $$x \neq 0$$):
$$x(x + 3) = 1$$
6. Expand the left side:
$$x^2 + 3x = 1$$
7. Bring all terms to one side to set the quadratic to zero:
$$x^2 + 3x - 1 = 0$$
8. Use the quadratic formula to solve for $$x$$:
$$x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$$ where $$a=1$$, $$b=3$$, and $$c=-1$$.
Calculate the discriminant:
$$\Delta = 3^2 - 4(1)(-1) = 9 + 4 = 13$$
Thus,
$$x = \frac{-3 \pm \sqrt{13}}{2}$$
9. Final answer:
$$x = \frac{-3 + \sqrt{13}}{2}$$ or $$x = \frac{-3 - \sqrt{13}}{2}$$