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Which of the following quadratic equations has the solutions x=-20 and x=9? Show your work. a) (x+20) (x-9) b) (x-20) (x+9) c) (x-5) (x-4) d) x^2+11x-180 e) x^2-11x+180 f) x^2-9…

Which of the following quadratic equations has the solutions x=-20 and x=9? Show your work. a) (x+20) (x-9) b) (x-20) (x+9) c) (x-5) (x-4) d) x^2+11x-180 e) x^2-11x+180 f) x^2-9…
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Which of the following quadratic equations has the solutions x=-20 and x=9? Show your work.

a) (x+20) (x-9)
b) (x-20) (x+9)
c) (x-5) (x-4)
d) x^2+11x-180
e) x^2-11x+180
f) x^2-9x+20

User Ludovic Landry
by
8.5k points

1 Answer

6 votes
a) and d)
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User Neeraj Krishna
by
8.1k points
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