Textbook Question
In Exercises 45–68, use the method of your choice to factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication.4x² − 27x + 18
625
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Factor each perfect square trinomial.
Factor each trinomial, if possible. See Examples 3 and 4. (a-3b)2-6(a-3b)+9
Factor using the formula for the sum or difference of two cubes.
Factor each polynomial. See Examples 5 and 6. 9a2-16
Factor using the formula for the sum or difference of two cubes.