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

6909 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Rationalise the denominator of the following fraction: 1/(√2 + 1)


Make x the subject of the formula when: y = 6-2x / 8


There are 7 white socks and 4 black socks. 2 are taken at random without replacement. What is the probablity that 2 socks of the same colour are taken?


The length of a rectangle is x+5 and the width is x+3. Write an equation for the area of the rectangle.


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