Top answers

How do you differentiate a polynomial?

You take the power of X down and multiply the term by it. Then you reduce the power of the term in X by 1.
DM
Answered by Dario M. • Maths tutor
3832 Views

How do you factorise quadratic equations by completing the square?

Divide the term in x by 2 and then put it in the bracket which will be squared. The last term from that expansion needs to be adjusted for.
DM
Answered by Dario M. • Maths tutor
3721 Views

When do you use the imperfect/preterite past tense?

A good way to remember which form of the past tense to use is to think about when the action took place. The imperfect (with endings -aba and -ía) is used for continuous actions in the past, so you would use...
MG
Answered by Mary G. • Spanish tutor
2680 Views

Expand: (3x-1)(x+5)(4x-3)

(3x^2+14x-5)(4x-3)= 12x^3-9x^2+56x^2-42x-20x+15=12x^3+47x^2-62x+15
WH
Answered by William H. • Maths tutor
8048 Views

How to I incorporate critical opinion into my coursework?

Start by reading whole works - or extracts of works - by critics. Having a bank of quotes won't prove as useful to you as you'd think, and you'll have a hard time forming your own opinion around them. There ...
IS
Answered by Imogen S. • English tutor
2435 Views