Top answers

Maths
All levels

Show that (x + 1)(x + 2)(x + 3) can be written in the form ax3 + bx2 + cx + d where a, b, c and d are positive integers.

(x + 1)(x + 2) = x^2 + 2x + x + 2 = x^2 + 3x+2therefore(x + 1)(x + 2)(x+3)= (x^2+3x+2)(x+3) = x^3 + 3x^2 + 2x + 3x^2 + 9x + 6 = x^3 + 6x^2+ 11x + 6where a=1 b=6 c=11 and d=9expansion of brackets can be do...

JT
Answered by Jeremy T. Maths tutor
2749 Views

Using the factor theorem, factorise x^4 - 3x^3 - 3x^2 + 11x - 6

Well the question states that it wants you to use the factor theorem so it would be a good idea to write down the factor theorem to remind ourselves."A polynomial f(x) has a factor (x - a) if and onl...

KG
Answered by Kester G. Maths tutor
3668 Views

An amount of money is split between three people: A, B, and C. C gets 50%, B get 3/9, a) what share does A get. A has £10 b) how much does B have? C spends 90% of his money c) how much total money is left between A, B and C?

a) 1/6b) £20c) £20+£10+(0.1*£30)= £33

TH
Answered by Tom H. Maths tutor
1459 Views

How many thirds are there in 8? a)3 b)24 c)9 d)22 e)4

b)243*8=24

TH
Answered by Tom H. Maths tutor
2426 Views

For the equation 7x+3y=10x/y make x the subject.

7xy+3y2=10x 3y2=10-7xy 3y2=x(10-7y) 3y2/10-7y=x

TH
Answered by Tom H. Maths tutor
3646 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences