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Factorise x² + 10x + 16

This is a quadratic equation. When we are asked to facorise a quadratic equation, we should label the 3 parts of it a, b and c. x² + 10x + 16 a b c so a = 1 , b = 10 , c = 16 Now, we need to find two numbers...
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Answered by Andrew W. • Maths tutor
70870 Views

How does natural selection work?

Note: Keywords which are vital for marks will be highlighted in bold. Within all populations, there is variation. This is due to different alleles (types) of different genes being present in different indivi...
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Answered by Zuhayr A. • Biology tutor
7629 Views

How do I use two-way prepositions?

Prepositions affect the case of the noun after them, and two-way prepositions can either put this noun into the dative or the accusative, depending on if there is movement in the sentence or not. Examples of...
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Answered by Ella N. • German tutor
3813 Views

How long have you been studying physics?

I have been interested in physics my whole life, when I was 12 I made my own wind turbine out of a plastic bottle (along with a few other materials!). I took both GCSE and A level physics and just finished m...
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Answered by Nathan G. • Physics tutor
2918 Views

How do you solve the #EdexcelMaths question?

Remember the uproar on Twitter about an Edexcel GCSE Maths paper, sparking the #EdexcelMaths trend on Twitter? Whether you do or don't, the question that caused the controversy is within the GCSE syllabus an...
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Answered by Curtis M. • Maths tutor
6023 Views