Question

Find all the zeros of the quadratic function.
y=x2+x-20

If there is more than one zero, separate them with commas.
If there are no zeros, click on "None".

Answer 1

Answer:

x^2 +5x - 4x - 20

x(x+5) -4 (x+5)

(x-4) (x+5)

So,.

x = 4,-5

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