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Popular >

The difference of the square of a number and 40 is equal to 3 times that number.

Solution

The difference of the square of a number and 40 is equal to 3 times that number.

Solution

The number : 8 or - 5

Solution steps

Represent the number with

x

A.T.Q.:

x^{2} - 40 = 3 x

Solve for

x, x^{2} - 40 = 3 x : x = 8, x = - 5

The number : 8 or - 5

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