a) \( x^{2}+3 x-2=0 \)
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To solve the quadratic equation \( x^{2}+3x-2=0 \), you can use the quadratic formula: \( x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a} \). Here, \( a = 1 \), \( b = 3 \), and \( c = -2 \). Plugging in these values gives you the solutions: \( x = \frac{-3 \pm \sqrt{(3)^2 - 4 \cdot 1 \cdot (-2)}}{2 \cdot 1} \). Simplifying further will lead you to the exact roots of the equation! Understanding how quadratics work is key in many real-world scenarios, like physics and finance. For example, if you want to find the maximum height of a projectile, the height of the projectile can often be modeled by a quadratic equation where you can apply similar solving techniques to ascertain crucial points, such as maximums or intersections!