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Solve this equation x^2 +4x - 5

Have you seen anything like this before? What do you understand by this equation? How do you expand brackets? Grid/smiles and eyebrows How confident are you with factors and times tables? How is a square num...
ZM
Answered by Zeenat M. • Maths tutor
4165 Views

What is the value of x from (x+2)^2=4

(x+2)^2=4=>x+2=2+>x=0 or x+2=-2=>x=-4
AB
3526 Views

Integrate x^2/(1+x^2)dx

Unlike if we had just x in the numerature, here the chain rule will do us no good. Integration by parts in this case also is little help - we end up with expressions at least as difficult as we started with....
LH
Answered by Laird H. • Maths tutor
8928 Views

what is respiration

Respiration is a chemical reaction which takes place in living cells. It uses oxygen from the air and glucose from food to release energy to allow our body to function. Carbon dioxide and water are also made...
AK
Answered by Aliyah K. • Biology tutor
12553 Views

Does Oxbridge care about extra-curriculars, like sport, in your personal statement?

It's not that Oxbridge doesn't care about extra-curriculars per se, but that they focus more on your academic interests and your passion for the course you're applying for. What they like to see is evidence ...
IT
3702 Views