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Q: How do you Factor the trinomial 2a squared - 9a-18?

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(2a - b)(2a + b)

You would factor out -1 (a) from a trinomial in an equation such as -a^2 +30a - 2a + 60 after the middle term has been separated. The final answer of this trinomial would then be (a-30) (a-30).

(2a+1)(a+1)

6a squared-8ab+2a factor completely and check mentally

(2a - 5b)(5a - b)

I guess you mean: 2a^2+6a Well in this case you take 2a out of the bracket and then you're left with a+3 inside. 2a(a+3a)

(2a - 3)(3a - 4)

It is: (2a+3)(3a+4) when factored

(2a + b)(a + 3b)

2a+7 is a binomial, because it has two terms (2a and 7).

(a - 2b)(2a - b)

6a2 - 8ab + 2aas you can see a is common to all terms. And 2 is a factor of 6,8, and 2. So 2a is a factor of all three terms:2a(3a-4b+1)

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