Question

find the sloution of equation log (x-1) base 2+log (x+2) base 2=2​

Answer 1

Step-by-step explanation:

(x-1)(x+2)=4

x²+x-2=4

x²+x-6=0

x²+3x-2x-6=0

x(x+3)-2(x+3)=0

(x-2)(x+3)=0

x=2 or x= -3