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The difference between "parce que" and "car" is that the first is a subordinating conjunction and the second is a coordinating conjunction. "Parce que" can be used at the st...

Firstly we would approach the question by looking at the question by attempting to group together the x terms to solve for x. By looking at the question we can see that the x terms are the denominators so...

A gene is a section of DNA containing bases AT/GC which encodes for a protein. The genes are present in the nucleosome of the nucleolus. When a gene is needed for transcription RNA polymerase will be recr...

Firstly we need to realise that equation 1 (x^2 + y^2 = 9) does not factorise. So once realising this, we must rearrange equation 2 (x + y = 2) so that y = 2 - x. Now we substitute (y = 2 - x) into equati...

(x-5) (x-2)