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How do you factorise fully 3 a^3 b + 12 a^2 b^2 + 9 a^5 b^3?

WORKING OUT

3a³b+12a²b²+9a⁵b³

1) 3(a³b+4a²b²+3a⁵b³

Answered by Anna W. • Maths tutor

3464 Views

Predict the effect of an increase in pressure and temperature on the production of ammonia in the reaction: N2(g) + 3H2(g) <-> 2NH3 (g) , where the change in enthalpy is -92.4 kJ

An increase in temperature and an increase in pressure will have contradictory effects on the reaction.

The effect of an increase in the temperature of a system, on the equilibrium of a r...

Answered by Aaron S. • Chemistry tutor

39466 Views

What is the most effective way to learn vocab ?

Obviously there is no quick solution here. Approaches to learning vocab vary from person to person , and everybody has their own unique way of learning vocabulary .

Personally I find the ...

Answered by James B. • German tutor

1481 Views

How can I improve my score?

Maths is all about practise. Once you have covered a topic, you should do as many practise questions as possible to help you understand the topic. Always show your working out on your exam paper to gai...

Answered by Samah L. • Maths tutor

3969 Views

How can I improve my exam technique?

The best way to improve your exam technique is to do past papers under timed conditions. Be strict with yourself and treat it like an actual exam. Then mark your own paper using the official mark schem...

Answered by Samah L. • Chemistry tutor

4540 Views