Question

without the use of tables or a calculator, simplify

Answer 1

\[\sqrt{28 + \sqrt{343}}\]
in the form ksqrt7 where k is an integer

Answer 2

Is it supposed to be \[\sqrt{28} + \sqrt{343}\] instead?

Answer 3

\[\sqrt{7*4+\sqrt{7^{3}}}\]

Answer 4

@jim_thompson5910 yes i couldnt get it like that

Answer 5

alright thank you

Answer 6

\[\Large \sqrt{28} + \sqrt{343}\]


\[\Large \sqrt{4*7} + \sqrt{49*7}\]


\[\Large \sqrt{4}*\sqrt{7} + \sqrt{49}*\sqrt{7}\]


\[\Large 2*\sqrt{7} + 7*\sqrt{7}\]


\[\Large (2 + 7)*\sqrt{7}\]


\[\Large 9\sqrt{7}\]


So the answer is \[\Large 9\sqrt{7}\]

Answer 7

\[9\sqrt{7}\]

Answer 8

thank you

Answer 9

you're welcome

Answer 10

you're welcome