Expand and simplify (3x^2 + 2)(2x + 5) – 6x(x^2 – 3)

First, multiply out 6x(x^2 - 3) so that it becomes – 6x^2 – 18xThen, multiply (3x^2 + 2) and (2x + 5) so that it becomes 6x^3 + 15x^2 + 4x + 10Add the two results above: 6x^3 + 15x^2 + 4x + 10 – 6x^3 – 18x Simplify it: x^3(6-6) + x^2(15) + x(4-18) +10 ==> 15x^2 –14x + 10

Answered by Ancel B. Maths tutor

7697 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

How do I calculate the distance between two vectors?


Two dice are thrown at the same time. What is the probability that the sum of the numbers on the dice is greater than 7?


How do I use the quadratic formula?


John invests £8000 at compound interest rate of 1.5% per year. He wants to earn more than £2000 in interest. What is the LEAST time in WHOLE years that this will take?


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