Question
In Exercises $67-78,$ factor completely.$$-5 x^{2}+30 x-45$$
Step 1
In this case, the GCF is 5. However, since the first term is negative, we factor out a negative 5 to ensure that the first term in the factored form is positive. So, we divide each term by -5: \[-5x^{2}+30x-45 = -5(x^{2}-6x+9)\] Show more…
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