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

4256 Views

See similar Maths IB tutors

Related Maths IB answers

All answers ▸

Solve (sec (x))^2 + 2tan(x) = 0


Sketch the graph of x^2 - y^2 = 16


Solve the equation 8^(x-1) = 6^(3x) . Express your answer in terms of ln 2 and ln3 .


Why is there a "+C" term in the solution of every indefinite integral?


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