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multiply and simplify
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multiply and simplify \[ 5\sqrt{10} x 3\sqrt{8}\]
is the "x" a variable or a multiplication sign?
A MULTIPLICATION SIGN
\[5\sqrt{10} \times 3\sqrt{8}\]
15* sqrt(80)= 15 * sqrt(10 * 8) = 15 * sqrt ( 2 * 5 * 2 * 4)= 30 * sqrt(20)= 30 * sqrt ( 4 * 5) = 60 sqrt(5)
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\[5\sqrt{10} \times 3\sqrt{8}\] \[5 \times 3 \times \sqrt{10 \times 8}\] \[15 \times \sqrt{80}\] \[15 \times 4\sqrt{5}\] \[60\sqrt{5}\]
Jessy, do you seem to understand & follow? Questions?
how do you get 15 X \[4\sqrt{5}\]?
5 * 3 = 15
\[\sqrt{80} = 4\sqrt{5}\]
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|dw:1375494307465:dw| is that how you did it>??
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