Expand (1+2x)(4x+3)

Deploy the FOIL method; First Outer Inner Last(1+2x)(4x+3) = 4x+3+8x^2+6x = 8x^2 + 10x + 3

BR
Answered by Ben R. Maths tutor

3089 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Let f(x) = x^2 - 1. A vertical translation of 3 and a horizontal translation of -2 is applied. Write the new function g(x) in the form g(x) = ax^2 + bx + c


Solve these two simultaneous equations.


Solve algebraically the simultaneous equations: x^2 + 3x + 10 = y and; 4 - 2x = y. Give answers as co-ordinates.


If f(x) = x^2 - x + 7, find f(3)


We're here to help

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

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning