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What is the highest common factor and lowest common multiple?

Lets break the question down into two smaller manageable parts. What is the highest common factor? : Common factor of two numbers is the largest number which perfectly divides both said numbers without any r...
AK
Answered by Amey K. • Maths tutor
4237 Views

Given the intensity of A-Level studies, what is the best way one can go about ensuring all tasks are completed in time?

The best way to solve any complex problem is to start off by formulating a general overview of the problem. This is useful as it allows you to see the overall 'big' picture and allows you to really comprehen...
BZ
Answered by Bahir Z. • Maths tutor
3638 Views

Factorise x^2+12x+7

(x+4)(x+3) From the question you need to write out all the multiples of the coefficient of x, in this case: 1 and 12, 2 and 6, 3 and 4. The numbers in the brackets have to also add up to the number at the en...
VA
Answered by Veronica A. • Maths tutor
5491 Views

Integrate ((x^3)*lnx)dx

Using integration by parts, answer = 1/4x 4 lnx - 1/16x 4 + C
IS
Answered by Imogen S. • Maths tutor
5364 Views

Factorise and solve X^2+8X+15=0

For any equation in the form ax^2+bx+c and a=1, the first step is to find a set of numbers. In this case, they must add up to 8 (b) and multiply to 15 (c). With trial and error, it can be found that these ar...
JA
Answered by James A. • Maths tutor
3771 Views