How do you simplify sqrt(432)?

2 Answers
Aug 20, 2016

sqrt(432) = 12sqrt(3)

Explanation:

432 = 2^4*3^3 = 2*2*3*2*2*3*3 = 12^2*3

So we find:

sqrt(432) = sqrt(12^2*3) = sqrt(12^2)*sqrt(3) = 12sqrt(3)

Aug 20, 2016

12sqrt3

Explanation:

Let us factorize given the number 432. For an even number 2 is a factor

432/2=216
216/2=108
108/2=54
54/2=27
we observe that 3 is a factor
27/3=9
9/3=3
:.432=2xx2xx2xx2xx3xx3xx3
=>sqrt432=sqrt(2xx2xx2xx2xx3xx3xx3)
paring and taking one digit for each pair out of the square root sign we get
sqrt432=sqrt(bar(2xx2)xxbar(2xx2)xxbar(3xx3)xx3)
=>sqrt432=2xx2xx3sqrt3
=>sqrt432=12sqrt3