How do you simplify 4 square root 20?
1 Answer
Mar 20, 2018
Explanation:
#"using the "color(blue)"law of radicals"#
#•color(white)(x)sqrtaxxsqrtb=sqrt(ab)#
#rArr4sqrt20#
#=4xxsqrt(4xx5)#
#=4xxsqrt4xxsqrt5#
#=4xx2xxsqrt5=8sqrt5#
