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

6465 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

If x:y = 7:4 and x+y = 88 , work out the value of x–y.


How do you rationalise surds?


Tommy, Anna and Jacob all have 40 sweets. they decide to split the sweets between each other in the ratio 1:4:5. Calculate how many sweets each get, rounding down your answer where necessary.


How do you solve the simultaneous equations x^2+y=1 and -x+y=-1


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:

© 2025 by IXL Learning