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Multiply both sides of the equation by the denominators to get:(2x+3)(2x+1) - (2x-8)(x-4) = (x-4)(2x+1)Expand all the brackets to get:(4x^2 + 6x + 2x + 3) - (2x^2-8x-8x+32) = 2x^2-8x+x-4Simplify both side...

The four chambers of the heart are the right atrium, right ventricle, left atrium and left ventricle.Deoxygenated blood (blood with no oxygen) flows into the right side of the heart via the superior and i...

Good question! How can you tell when you're speaking to a non-native speaker of English? (Depending on the characteristics they mention, I lay out my answer.)
Get to know the grammar of the language...

Biological determinism refers to the concept that all human behaviour is innate and determined by factors like our genes, hormones and neurotransmitter systems. The biological approach looks at behaviour ...

Young people, aged 10-17, are treated differently in the eyes of the law, due to their vulnerability. Under the Crime and Disorder Act 1988, the age of criminal responsibility in the UK is 10 years old. T...