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Radioactive isotopes are useful as they can be detected. Detecting these waves can help us find problems within the body and come up with prognoses. An example of this is PET scans. These use substances t...

2x² + 6x + 62(x² + 3x + 3) => Factor out 4 from each term so the x² term of the quadratic has 1 for a coefficient.2[(x + 3/2)² - d + 3] => Here, we've div...

(a) Describe Pseudomonas aeruginosa and its implications in disease.A: Pseudomonas aeruginosa is a common type of gram-negative bacteria usually found in soil and water. It rarel...

Membrane less permeable to sodium ions Sodium ions actively transported out... ...(by) sodium ion carriers inside of the membrane is negative compared to the outside / 3Na+ out and 2K+...

Firstly group the like terms to make the expression (5a+4a^2) and then factor out 'a' as it is a common term.This makes the expression ( a(5+4a))