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Andreas93 [3]
3 years ago
14

If x=a and x=b for the solution of x^2-3=2x and a<b what is b-a​

Mathematics
1 answer:
olga_2 [115]3 years ago
6 0

9514 1404 393

Answer:

  4

Step-by-step explanation:

Written in standard form, the quadratic is ...

  x^2 -2x -3 = 0

This can be factored as ...

  (x -3)(x +1) = 0

so the solutions are ...

  x = 3, x = -1 . . . . . . values of x that make the factors zero

The difference of interest is ...

  3 -(-1) = 4

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