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Popular Word Problems >

the sum of a number and its square is 72

Solution

t h e s u m o f a n u mb er an d i t s s q u a re i s 72

Solution

The number : 8 or - 9

Solution steps

Represent the number with

x

A.T.Q.:

x + x^{2} = 72

Solve for

x, x + x^{2} = 72 : x = 8, x = - 9

The number : 8 or - 9

Popular Examples

You randomly select one card from a 52-card deck. Find the probability of selecting a red ten or a red jack.the sum of 7 times a number and 42 is-98 three times a number equals seven seven less than a number is 13.The sum of two numbers is seventeen. The total of four times the smaller number and two times the larger number is forty-four. Find the two numbers.