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How to solve a quadratic equation?

How to solve a quadratic equation? While learning mathematics, you will often meet quadratic equations. These equations serve a mathematical way to say that a certain equation, which may resemble a real-life...
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Answered by Bence H. Maths tutor
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What is Gibbs Free Energy?

Gibbs free energy allows you to link together the two factors entropy and enthalpy, these factors together determine if a chemical reaction is spontaneous or not. For a reaction to be spontaneous then the ch...
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Answered by Helen S. Chemistry tutor
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How do i solve simultaneous equation with more than two equations and two unknowns?

While simultaneous equation with two equations and two unknowns should be easy enough to solve using elimination, substitution, or graph sketching, simultaneous equations with more than two equations and two...
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What is the difference between external and internal economies of scale?

Internal economies of scale relate to the firm itself (and only that firm), there can be an increase in its overall capacity or an increase in all of its factors of productions (FOPs)- this is a long term co...
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Answered by Ellen S. Economics tutor
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How do I complete the square of an equation?

First off, write your equation in the form: ax^ 2 +by+c=0 with a, b and c being your constant coefficients. First, we will factorise out a such that: a(x^ 2 +(b/a)x)+c Now divide b by 2. Then write a(x+(b/2a...
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Answered by Beth D. Maths tutor
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