1.) An expression is show: √21x; for which value of x should the expression be further simplified?

a.) 5
b.) 8
c.) 37
d.) 54

2.) An expression is show: √42x; for which value of x should the expression be further simplified?

a.) 11
b.) 13
c.) 20
d.) 55

Reiny Reiny answered
9 years ago

I assume you meant

√(21x) , and not the way you typed

since 21 = 3x7 , you want either another 3 or 7 in x so that we have at least one perfect square.
none of the first 3 choices contain a 3 or 7 ,but 54 does
so √(21x54)
= √3x7x3x9x2)
= √(81*14)
= 9√14

do the other one the same way

Anonymous Anonymous answered
7 years ago

An expression is show: √65x; for which value of x should the expression be further simplified?

41 41 answered
6 years ago

56

Anonymous Anonymous answered
5 years ago

Absolutamente nada

piper piper answered
4 years ago

For which value of x must the expression

77x
be further simplified?
A) 13
B) 23
C) 29
D) 33

Anonymous Anonymous answered
4 years ago

This did not help at all

Anonymous Anonymous answered
3 years ago

I know right TUT

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