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HX2O⇌A+B→C+D→FeX2+\ce{H2O}\\[10px] \ce{ <=> }\\[10px] \ce{A + B -> C + D}\\[10px] \ce{ -> }\\[10px] \ce{Fe^2+}

Error Export
IUTest 0
x=−b±b2−4ac2ax=−5±52−4(2)(−3)2(2)=−5±494=−5±74x=12orx=−3\begin{aligned} x &= \frac{-b \pm \sqrt{b^2 - 4ac}}{2a} \\[10px] x &= \frac{-5 \pm \sqrt{5^2 - 4(2)(-3)}}{2(2)} \\[10px] &= \frac{-5 \pm \sqrt{49}}{4} \\[10px] &= \frac{-5 \pm 7}{4} \\[10px] &\boxed{x = \frac{1}{2}} \quad \text{or} \quad \boxed{x = -3} \end{aligned}

Quadratic Formula

Solves for the roots of a quadratic equation ax2 + bx + c = 0. Using 'aligned' to make the equation looks neater.
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ddxxn=nxn−1Example: ddxx5=5x4\begin{aligned} &\frac{d}{dx}x^n = nx^{n-1} \\[10px] &\text{Example: } \\[4px] &\frac{d}{dx}x^5 = 5x^{4} \end{aligned}

Power Rule (Differentiation)

Finds the derivative of a power function x^n.
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