3 years ago

Simplify. 7√32−6√72 Enter your answer, in simplest radical form, in the box.

Mathematics

2 answers:

Whitepunk [10]3 years ago

7 0

Answer-

-8 $\sqrt2$

Step-by-step explanation:

Tasya [4]3 years ago

5 0

Answer:

-8√2

Step-by-step explanation:

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3 years ago

Someone please HELP!?

jeka94

A negative exponent just means that the base is on the wrong side of the fraction line, so you need to flip the base to the other side.

For example

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or

$( \frac{2}{5} )^{-4}=( \frac{5}{2} )^4$

***************************************
$(8r^{-5})^{-3}$

$(8* \frac{1}{r^5} )^{-3} \\\\( \frac{8}{r^5} )^{-3}
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\\\\ \mathrm{Apply\:exponent\:rule}:\quad *\left(\frac{a}{b}\right)^c=\frac{a^c}{b^c} \ \ \ \ \ \ \ \ \ \ \ \ *(a^b)^c=a^{bc}
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The answer is "D"

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3 years ago