SOLUTION: Factor the trinomial, or state that the trinomial is prime.
x2 - 8x - 9
Algebra.Com
Question 942126: Factor the trinomial, or state that the trinomial is prime.
x2 - 8x - 9
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
xx - 8x - 9 = 0
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the above quadratic equation is in standard form, with a=1, b=-8 and c=-9
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to solve the quadratic equation, by using the quadratic formula, copy and paste this:
1 -8 -9
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the quadratic has two real roots at:
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x = 9
x = -1
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answer:
(x - 9)(x + 1)
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