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The Quadratic when written in factored form is (x-3)(x+9)=0. What are the roots? 3 and 9 -3 and 9 3 and -9 -3 and -9

The Quadratic when written in factored form is (x-3)(x+9)=0. What are the roots? 3 and 9 -3 and 9 3 and -9 -3 and -9
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3 votes
The Quadratic when written in factored form is (x-3)(x+9)=0. What are the roots?

3 and 9
-3 and 9
3 and -9
-3 and -9

User Jason Kealey
by
8.5k points

1 Answer

3 votes
Set both equal to 0
(x-3) = 0
x = 3
(x+9) = 0
x = -9
So 3 and -9
User Amr Ramadan
by
8.5k points
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