How do you multiply #\sqrt { 98} \times 2\sqrt { 50}#?

Question

1067 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-02-19T17:41:55

#140#

#sqrt98xx2sqrt50#

Determine the factors of the numbers within the square root signs.

#sqrt(2*7*7)xx2sqrt(2*5*5)#

Remove the squares and simplify.

#7sqrt2xx2*5sqrt2#

#7sqrt2xx10sqrt2#

Multiply the whole numbers and the square roots separately.

#(7xx10)(sqrt2xxsqrt2)#

#70xx2#

#140#