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3 years ago

What number to the 3rd power makes 729?

Mathematics

2 answers:

Alika [10]3 years ago

8 0

9 to the third power is 729
9*9 = 81
81*9= 729

belka [17]3 years ago

7 0

?^3 = 729
⇒ ?= ∛(729)
⇒ ?= 9

The final answer is 9~

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$\fbox{\begin{minipage}{9em}x = -2 and x = -6\end{minipage}}$

Step-by-step explanation:

Given:

$x^{2} + 8x + 12 = 0$

Solve for:

$x$

Solution:

Step 1: Select the formula to solve for $x$

There are some ways to solve quadratic equations.

One of the simple way (if possible) is performing the factorization.

Another way is using the quadratic formula.

Here, we are going to use factorization.

Step 2: Perform factorization

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Hope this helps!

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