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As the coefficient (the number before) of x² is 1 we can start the expression with (x...The coefficient of x is -8 so we half this to complete the brackets and form (x-4)²...Next the...

a) +3. Cl ligands carry a negative charge while CO ligands are neutral so the all together the ligands have a charge of -3. Since the complex is neutral overall, the metal must cancel out the charge of t...

A chiasmus is a literary technique where concepts or grammatical features are repeated but in reverse order. A simple way to remember it is A-B-B-A, just like the band!
For example: (Aeneid VI.102)...

f(x) = (x - 5) / (x + 4)(x + 1) let f(x) = A / (x + 4) + B / (x + 1) so (x - 5) / (x + 4)(x + 1) = A / (x + 4) + B / (x + 1) then multiplying by (x+4)(x+1), we get ...