Question

Order the steps to solve the equation
log(x2 − 15) = log(2x) form 1 to 5.

x2 − 2x − 15 = 0

Potential solutions are −3 and 5

x2 − 15 = 2x

x − 5 = 0 or x + 3 = 0

(x − 5)(x + 3) = 0