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Popular Word Problems >

solve for x, The difference of the square of a number and 4 is equal to 3 times that number

Solution

so l v e f or x, T h e d i ff ere n ce o f t h e s q u a re o f a n u mb er an d 4 i s e q u a l t o 3 t im es t ha t n u mb er

Solution

The number : 4 or - 1

Solution steps

Represent the number with

x

A.T.Q.:

x^{2} - 4 = 3 x

Solve for

x, x^{2} - 4 = 3 x : x = 4, x = - 1

The number : 4 or - 1

Popular Examples

If you invest 10,000 at an interest rate of 5.2%, determine the total amount after 5 years compounded annually.the sum of two numbers is 34. the second number is 6 less than the first number One-sixth equals the quotient of a number and 30 Three more than the product of a number and 5 equals 2 The diameter of a circle is 18 cm. Find the circumference