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Innerinner + outerouter + innerouter + outerinnerCheck if anything could be added together to simplify the terms
Result = x²+5x+6

Sewage entering the water caused plants to die.Bacteria then decayed this dead organic plant matter (1) through digestion (1).These bacteria will carry out aerobic respiration, using oxygen (1).This there...

There are 2 main methods for solving simultaneous equations: 1) by substitution, and 2) by elimination. Have a look at how each method works and pick the one that's best for you! In orde...

Typically, such questions are 6 markers. Prokaryotic cells are often found in bacteria, the smallest organisms, often made out of single cells. Eukaryotic cells are much more complex and are often found i...