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

3854 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Complete the square for x^2 + x - 6.


If f(x)=8x-3, what is the inverse function?


There is a right angled triangle with sides of 5cm, 12cm and 13cm. What is the size of the smallest angle?


The point P has coordinates (3,4), Q has the 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 ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning