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Find the roots of the quadratic equation x2 – 8x = 9 by completing the square. Show your work. i need a simple answer to the question. step-by-step

Respuesta :

breezy0437

Answer:

Answer:

Solve y = x^2 - 8x - 9 = 0

Explanation:

In this case, you don't need to solve by completing the squares.

Use the shortcut.

When (a - b + c = 0) --> 2 real roots: (-1) and (-c/a = 9).

Step-by-step explanation:

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