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April 19, 2015

April 19, 2015

Posted by **anthony** on Thursday, June 24, 2010 at 4:07pm.

a) 7 sqrt (3) + 3 sqrt(7)

b) 7 sqrt(3) + sqrt (3)

c) sqrt (210)

d) sqrt (147) + sqrt (63)''.

a

- algebra -
**Reiny**, Thursday, June 24, 2010 at 4:14pm√21√7 + √3

= √3√7√7 + √3

= 7√3+√3

= 8√3

the answer matching this is b)

but they should have simplified this.

- algebra -
**anthony**, Thursday, June 24, 2010 at 4:16pmthanks reiny

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