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Factorise 4x+6x^2

This is factorisation by common factor, so we need to write 4x+6x 2 as a product. First we need to find the highest common factor of 4x and 6x 2 so that we can take it out, which in this case is 2x, so we ha...
AM
Answered by Aoife M. Maths tutor
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What is an enzyme and how do they work?

An enzyme is a protein that speeds up a chemical reaction. For example, the food you had for your lunch today was probably made up of complex carbohydrates, proteins and lipids. These need to be broken down ...
KH
Answered by Katherine H. Biology tutor
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'War is never right' Assess this statement.

The morality and ethics of war have been the subject of debate from the beginning of human civilisation In the Christian tradition there is a diversity of beliefs about war, both condemning it and justifying...
YP
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Solve 4(x+3)=2x+8

Expand brackets on LHS 4x+12=2x+8 Collect "like" terms4x-2x=8-122x=-4Divide both sides by 2 to solve for x x=-4/2=-2 Final Answer x=-2
JM
Answered by Joe M. Maths tutor
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Panama is a strip of land that has separated the Pacific Ocean and the Caribbean Sea for the past 3 million years. Explain how two different species of pistol shrimp could have developed from an ancestral species of shrimp

Panama has acted as a geographical barrier, separating two populations of ancestral shrimp - one in the Pacific and one in the Caribbean Sea.Random mutations will occur in both populations.Natural selection ...
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Answered by Daniel R. Biology tutor
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