Question #4c36f

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Answer 1 · 2017-11-04T20:10:58

#x=2.4#

#LS=(b^3)(b^x)^5#

#color(white)("XX")=(b^3)(b^(5x))#

#color(white)("XX")=b^(5x+3)#

#RS=b^15#

Since #LS=RS#

#color(white)("XX")b^(5x+3)=b^15#

#rarr 5x+3=15#

#rarr 5x=12#

#rarr x=12/5=2.4#