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26 votes
26 votes
Factor, using magic x. x^2-8x-9
PLEASE HELP VERY URGENT THE SOONER THE BETTER.

User Ozerich
by
2.7k points

1 Answer

30 votes
30 votes

Answer:

(x+1)(x-9)

Explanation:

x^2+x-9x-9=0
x*(x+1)-9(x+1)=0
(x+1)(x-9)=0
x+1=0
x-9=0
x=-1 and x=9

User TokyoMike
by
2.9k points
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