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

Answered by India M. Maths tutor

3523 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

A is the point (2,-5), B is the point (-1,4). (a) What is the gradient of the line passing through points A and B? (b) Does the point (-100,301) lie on the line passing through points A and B?


solve the simultaneous equation: 8x+2y=46; 7x+3y=47


Prove that 1/sin(2theta) - cos(2theta)/sin(2theta) = tan(theta)


The point P has coordinates (3, 4) The point Q has coordinates (a, b) A line perpendicular to PQ is given by the equation 3x + 2y = 7 Find an expression for b in terms of a.


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