SOLUTION: How do I write a quadratic equation with roots -4 and 5 in standard form?

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Question 999204: How do I write a quadratic equation with roots -4 and 5 in standard form?
Found 2 solutions by ikleyn, stanbon:
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
.
(x-(-4))*(x-5) = 0     or

(x+9)*(x-5) = 0

in factorized form.

To represent it in the standard form,  open the parentheses:

x%5E2+%2B+9x+-+5x+-+45 = 0,     or

x%5E2+%2B4x+-+45 = 0.


Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
write a quadratic equation with roots -4 and 5 in standard form?
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y = (x+4)(x-5)
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y = x^2-x-20
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cheers,
Stan H.
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