Answers>Maths>IB>Article

Solve the equation log2(x + 3) + log2(x - 3) = 4

log2(x + 3) + log2(x - 3) = 4log2 [(x + 3)(x - 3)] = 4x^2 - 9 = 16x^2 = 25x = 5

Answered by Maths tutor

4929 Views

See similar Maths IB tutors

Related Maths IB answers

All answers ▸

What is de Moivre's theorem?


Integrate x^2/(1+x^2)dx


Solve x^2 + 2x = 48 for all values of x


What is the meaning of vector cross product?


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