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Asked by anonymous

find the zeros by factoring
-x^2 - 4x + 5 = y
11 years ago

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Answered by Steve
y = -(x^2+4x-5)
y = -(x+5)(x-1)

Now, if a product of factors is zero, any of the factors can be zero.

So, which values of x make each of the factors zero?
11 years ago

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