Simplify and then solve by factorisation 3x(x+2)-7=2, to find x.

3x(x+2)-7=2 3x2+6x-7=2 3x2+6x-9=0 3(x2+2x-3)=0 [Divide by 3] (x2+2x-3)=0 (x+3)(x-1)=0 x= -3 x=1

IM
Answered by India M. Maths tutor

3790 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

expand and simplify (x+3)(x-7)


solve the simultanious equations: x - 2y = 2 and 2x + y = -1


Solve the following simultaneous equation: 1) 2x=y-5, 2) 2y^2=4x^2+4x-15


Karen got 32 out of 80 on a Maths test. She got 38% on an English test. Which test did she do better in?


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