Ginny factored 6x2 - 31x - 30 as shown: ac = - 180 and b = 31 36 (-5) = - 180 and 36 + (-5) = 31 6x2 + 36x - 5x - 30 6x (x + 6) - 5 (x + 6) (x + 6) (6x - 5) Determine if Ginny factored correctly. If not, explain where she made an error. Ginny made a mistake in step 1 when she identified b = 31. It should be b = - 31. Ginny was correct until step 3 when she used 36 and - 5 as the coefficients of x. Ginny was correct until step 4 when she incorrectly factored the GCF from 5x - 30. Ginny factored the trinomial correctly.
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