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The quadratic formula is the formula that solves any quadratic equation. So, keeping things general, let's begin with a completely general quadratic equation:

ax²+bx+c=0
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The term 'sofa government' refers to a type of informal decision making within government. Unsuprisingly the name comes from the idea that politicians and their advisors would be sat on sofas discussi...

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Firstly put the equation into the the form (x+a)(x+b) this will make things easier later on.

Therefore, an equation such as (x+1)² would become (x+1)(x+1)

Next expand the br...

Firstly, form the imperfect subjunctive. To do this put the verb in the third person of the preterite (comer becomes comieron). Now drop the -ron leaving comie...