Use Properties: log_b(xy)=log_b x+log_bylogb(xy)=logbx+logby
log_bx=y iff b^y=xlogbx=y⇔by=x
log (x(x-3))=1log(x(x−3))=1 color(white)(xxxxxx)××× [ 1 = log10]
log(x^2-3x)=log10log(x2−3x)=log10
x^2-3x^1 = 10^1x2−3x1=101
x^2-3x-10=0x2−3x−10=0
(x-5)(x+2)=0(x−5)(x+2)=0
x=5 or x=-2x=5orx=−2