Show that (x + 4)(x + 5)(x + 6) can be written in the form ax3 + bx2 + cx + d where a, b, c and d are positive integers.

=(x+4)(x2+6x+5x+30)=(x+4)(x2+11x+30)=x3+11x2+30x+4x2+44x+120=x3+15x2+74x+120

JZ
Answered by Jiawen Z. Maths tutor

2517 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the simultaneous equations: 6x + 3y = 42 4x + 7y = 38


Draw the graph of y=x^2-4x-21


Write down the value of 36^ 1/ 2


Solve algebraically the following if there is a solution: x+y=3 2x+y=5 x^2+y=6


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