Seventy-five times an integer, minus 36, equals 21 times the square of the integer. Which equation could be used to solve for the unknown integer?
75n - 36 = 21 * n^2
To solve this problem, we need to set up an equation based on the given information. Let's call the unknown integer "x".
The first part of the problem states that "seventy-five times the integer, minus 36, equals 21 times the square of the integer."
This can be expressed as:
75x - 36 = 21x^2
So, the equation that could be used to solve for the unknown integer x is 75x - 36 = 21x^2.
To solve this problem, we need to set up an equation based on the given information. Let's call the unknown integer "x".
The first part of the problem states, "Seventy-five times an integer, minus 36." This can be represented as 75x - 36.
The second part says, "equals 21 times the square of the integer." The square of the integer is x^2, so this can be represented as 21x^2.
Now we can set up the equation:
75x - 36 = 21x^2
So, the equation that could be used to solve for the unknown integer is 75x - 36 = 21x^2.