Find the zeroes of the quadratic polynomial x^2 + 8x + 15.

x2+8x+15 = (x+3)(x+5)So, the value of x2+8x+15 is zero when x2+8x+15 = 0 i.e. x = -3 or x = -5.

Answered by Piyush S. Maths tutor

17597 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Find the inverse of f(x) = 7x+4


Solve 2x-5=3x+4


How do you calculate a number to the power of a fraction? (8^2/3)


What is the lowest common multiple and the highest common factor of 120 and 150?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2024

Terms & Conditions|Privacy Policy
Cookie Preferences