Question

the square of a number equals nine times that number. find the number.​

Answer 1

Answer:

9 is the answer........Mark as BRAINLIEST

Answer 2

The number is 0 or 9

Given :

The square of a number equals nine times that number.

To find :

The number

Solution :

Step 1 of 2 :

Form the equation to find the number

Let the required number is x

Then by the given condition

$\displaystyle \sf {x}^{2} = 9x$

Step 2 of 2 :

Find the number

$\displaystyle \sf {x}^{2} = 9x$

$\displaystyle \sf{ \implies } {x}^{2} - 9x = 0$

$\displaystyle \sf{ \implies }x(x - 9) = 0$

Then , either x = 0 or x - 9 = 0

Again x - 9 = 0 gives x = 9

Hence the required number is 0 or 9

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