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How do you factorise a quadratic?

A quadratic equation is something that looks like this: ax 2 +bx+c. FACTORISING a quadratic means to put this equation in the form (dx+e)(fx+g). For example, take the equation x 2 +5x+6. The factorised form ...
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Answered by Ethan B. • Maths tutor
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To what extent did the Second World War bring about social change in Britain?

The Second World War arguably acted as catalyst for social change in Britain as it exposed the areas of society that were need of support from the government. The process of evacuation and also intergration ...
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Answered by Chloe A. • History tutor
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Solve x^3 - 25 = 103 - x^3

First, bring -25 to the other side: +25 which gives x 3 = 128 - x 3 Now, same with - x 3 ( + x 3 for both sides), giving 2x 3 = 128 128 / 2 gives the value of 64 for x 3 In order to find the value for x, now...
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Answered by Franziska F. • Maths tutor
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What factors affect rate of photosynthesis in a plant?

There are three key factors affecting rate of photosynthesis at GCSE level. They are light intensity, CO2 concentration, and temperature. These factors are best visualised by drawing graphs with rate of phot...
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Answered by Kieran F. • Biology tutor
7680 Views

How do you use the quadratic formula?

So we use the quadratic formula to find out 2 values of x satisfies the quadratic equation we have been given. First we need to write the quadratic formular down, (x=-b.. etc). If you see, we need to plug in...
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Answered by Amy B. • Maths tutor
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