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

User Spaceman Spiff
by
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1 Answer

2 votes

Answer:

x=9 x=-1

Explanation:

x^2-8x-9=0

Factor

What 2 numbers multiply to -9 and add to -8

(x-9) (x+1) =0

Using the zero product property

x-9 =0 x+1 =0

x=9 x=-1

User Aleksander Aleksic
by
4.9k points
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