2 years ago

Simplify 3^4x(3/x^2)^-2

Mathematics

1 answer:

astraxan [27]2 years ago

6 0

I think the answer is x^4

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Answer:

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Step-by-step explanation:

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3 years ago

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Solve for x.

Ivahew [28]

ANSWER

$x=\frac{2-\sqrt{10}} {3}$

or

$x=\frac{\sqrt{10}+2} {3}$

We have

$3x^2-4x-2=0$

Since we cannot factor easily, we complete the square.

Adding 2 to both sides give,

$3x^2-4x=2$

Dividing through by 3 gives

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Adding $(-\frac{2}{3})^2$ to both sides gives

$x^2-\frac{4}{3}x+(-\frac{2}{3})^2= \frac{2}{3}+(-\frac{2}{3})^2$

The expression on the Left Hand side is a perfect square.

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$\Rightarrow (x-\frac{2}{3})^2= \frac{10}{9}$

$\Rightarrow (x-\frac{2}{3})=\pm \sqrt{\frac{10}{9}}$

$\Rightarrow (x)=\frac{2}{3} \pm {\frac{\sqrt{10}}{3}$

Splitting the plus or minus sign gives

$x=\frac{2- \sqrt{10}} {3}$

or

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3 years ago

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6+(-4)= please help me I don’t here it :)

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Answer:

Step-by-step explanation:

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3 years ago

Simplify 3^4*x*(3/x^2)^-2

Simplify 3^4x(3/x^2)^-2