To factor the trinomial x^2 - x - 90, we need to find two numbers that multiply to -90 and add up to -1.
The two numbers are -10 and 9, because -10 * 9 = -90 and -10 + 9 = -1.
Therefore, the factored form of the trinomial is:
(x - 10)(x + 9)
Factor the trinomial below:
x^{2}+-1x+-90
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