Expand and simplify the following expression: x(5x – 2) – 3(x2 – 2x + 7)

5x2 – 2x – 3x2 + 6x – 21= 2x2 + 4x − 21

Answered by Maths tutor

7816 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the simultaneous equations x+y=8 and 3x-y=4.


Solve for x to 3dp: x^2 + 6x + 2 = 0


Solve 2x+3 + ((4x-1)/2) = 10


3^2 + 4^2 = x^2. Find x


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