The difference of the square of a number and 4 is equal to 3 times that number. Find the positive solution.

Mathematics

2 answers:

liberstina [14]3 years ago

8 0

Let the number be 'a':

The difference of the square of a number and 4

a^2 -4

is equal to 3 times that number.

= 3*a

a^2 -4 =3a

a^2 -3a -4=0

(a-4) (a+1)=0

solutions are: 4 and -1

aleksandr82 [10.1K]3 years ago

3 0

Step-by-step explanation:

1-4 just did this\

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