Question

The square of 3 subtracted from 4 times a number is 25. The number is?​

Answer 1

Answer:

3²= 3×3=9

Step-by-step explanation:

let the no. be x

so,25-4x=9

4x=25+9

x=34/4

x=8.5

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Answer 2

Given,

The square of 3 subtracted from 4 times a number is 25.

To find,

The value of the said number.

Solution,

We can simply solve this mathematical problem by using the following mathematical process.

Let, the number = x

Now, we will form an equation by the given conditions about the said number in the question.

So, square of 3 subtracted from 4 times of the said number = (4 × x) - (3)² = (4x-9)

Again, according to the data mentioned in the question :

4x-9 = 25

4x = 25+9

4x = 34

x = 34/4

x = 8.5

(This will be considered as the final result)

Hence, the number is 8.5