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All quadratic equations can be written in the form ax² + bx + c = 0, where a, b and c are constants. Firstly, check whether you can easily factorise the equation into the form (x + p)(x + q) = ...

f(x) = 2x² - 12x +7

• First take out a factor of 2 so that we have the coefficient of x² as 1.        f(x) = 2[x² - 6x +7/2]

• Next, complet...

All three of these are carbohydrate polymers, formed from glucose monomers.

Glycogen and starch are both polymers of alpha glucose. These long chains of alpha glucose molecules, joined end-to-end, ...

La musique offert une façon pour les jeunes d'échapper la vie quotidienne. Ils peuvent se détendre et en plus s'identifier avec les paroles, pour qu'ils sachent qu'ils ne sont pas seuls. Surtout pendant c...

Metaphysical possibility is one way of thinking about the possibility of something being the case, a way that is often of special relevance to philosophers. If you think about it, we often use the phrase ...