write (x+2)(x+3)(x+5) in the form ax^3+bx^2+cx+d

First take (x+2)(x+3) and expand to get x2 +3x+2x+6, which can be simplified to equal x2+5x+6.Then mutiple x2+5x+6 by (x+5). This will give you x3+5x2+5x2+25x+6x+30. Simplify this to equal x3+10x2+31x+30.

CH
Answered by Cora H. Maths tutor

3221 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

If a and b are the roots of the quadric polynomial 2x^2+6x+7 what are a+b and ab?


5x-7 = 3x + 3, solve x


Solve 5x – 2 > 3x + 11


Define an obtuse angle.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences