Factorise x^2+3x+4 without the use of quadratic formula

We use the form ax^2+bx+cTo factorise we need to put the equation into 2 bracketsThese 2 brackets will be in the form (x+k)(x+j) where k and j are to be foundWe need to find a combination of k and j for which k+j=b and k*j=c
For this example:(x+1)(x+2)

WC
Answered by William C. Maths tutor

3282 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Make A the subject of the following formula: S = UT + 1/2AT^2


If A is divided by B, the result is 5/7. If B is divided by C, the result is 4/5. What is the result of A divided by C ?


Solve the inequality 5x^2 + x - 3 = 1


Show algebraically that (4n-3)^2 - (2n+5)^2 is always a multiple of n-4


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