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Firlakuza
[10]
3 years ago
10
The solution to a quadratic equation was x=-5 and x=2. What was the original equation?
Mathematics
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answer:
Romashka
[77]
3 years ago
5
0
We can write x=-5 and x=2 so that they are both equal to 0
x+5=0 and x-2=0
How we can multiply x+5 and x-2 and set them both equal to 0
(x+5)(x-2)=0
Then you distribute to find the equation
x^2-2x+5x-10=0
or
x^2+3x-10=0
Hope this helps
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