Find the value of x which satisfies the following equation 3 x2 + 6 x + 3 = 0

 3 x2 + 6 x + 3 = 0 . .../3 x2 + 2 x + 1 = 0(x+1)2=0x+1=0x=-1PROOF3 (-1)2 + 6 (-1) + 3 = 0

CT
Answered by Catherine T. Maths tutor

3100 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Write √5 ( √8 + √18 ) in the form a√10, where a is an integer, without using a calculator.


How can i use completing the square to factorise and solve equations


Solve the following simultaneous equations: 3x+1-2y=0 and 8-x=y


The equation of the line L1 is y=3x–2. The equation of the line L2 is 3y–9x+5=0. Show that these two lines are parallel.


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