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(x+3)(x+2)

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

Answered by Abdelrahman O. • Maths tutor

1971 Views

A large amount of untreated sewage entered the river. Many fish died. Untreated sewage contains organic matter and bacteria. Explain why many fish died. (5)

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...

Answered by Joy C. • Biology tutor

13183 Views

Solve the following pair of simultaneous equations: 2y - x = 3, y + 4x = 4

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...

Answered by Saranya P. • Maths tutor

3552 Views

Compare the structure of eukaryotic and prokaryotic organisms

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...

Answered by Alexandra P. • Biology tutor

7812 Views