How do you simplify #3sqrt3*sqrt18#?
1 Answer
May 9, 2018
Explanation:
#"using the "color(blue)"law of radicals"#
#•color(white)(x)sqrtaxxsqrtbhArrsqrt(ab)#
#"simplifying "sqrt18=sqrt(9xx2)=sqrt9xxsqrt2=3sqrt2#
#rArr3sqrt3xxsqrt18#
#=3sqrt3xx3sqrt2#
#=(3xx3)xxsqrt(3xx2)=9sqrt6#
