SOLUTION: Use trial and error to factor the trinomial, or state that the trinomial is prime. 3x^2 + 11x - 20

SOLUTION: Use trial and error to factor the trinomial, or state that the trinomial is prime. 3x^2 + 11x - 20

Algebra.Com

Question 535939: Use trial and error to factor the trinomial, or state that the trinomial is prime.
3x^2 + 11x - 20
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
I'll try

I need to change the sign of the x term

This looks correct
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