Using the quadratics formula find the two solutions to x^2 + 3x + 2 = 0.

x1 = (-b + (b2 - 4ac)1/2)/2a and x2 = (-b - (b2 - 4ac)1/2)/2a. So with the values a = 1, b = 3 and c = 2: x1 = (-3 + (32 - 8)1/2)/2 and x2 = (-3 - (32 - 8)1/2)/2, x1 = (-3 + 1)/2 = -1 and x2 = (-3 - 1)/2 = -2. 

RD
Answered by Rebecca D. Maths tutor

3958 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the simultaneous equations: 4x+3y=5 and x-y=3, to find the values of x and y.


Factorise fully 3a^3b + 12a^2b^2 + 9a^5b^3


Solve x^2+6x+5=0 for x


How do I work out the measurement of an angle in a right-angle triangle?


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