SOLUTION: State which method should be applied as the first step for factoring the polynomial. 2a^2 + 9a + 10 A)Find the GCF. B)Group the terms. C)Factor the difference of squares. D)U

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Question 84308: State which method should be applied as the first step for factoring the polynomial.
2a^2 + 9a + 10
A)Find the GCF.
B)Group the terms.
C)Factor the difference of squares.
D)Use the ac method (or trial and error).
Answer by funmath(2933)   (Show Source): You can put this solution on YOUR website!
State which method should be applied as the first step for factoring the polynomial.
2a^2 + 9a + 10
A)Find the GCF.
There is no GCF
B)Group the terms.
Usually done first if there is more than 3 terms.
C)Factor the difference of squares.
The difference of squares is this form: a^2-b^2, this isn't
Use the ac method (or trial and error).
This what you'd do first!
The ac method has you multiply the first coefficient and the last term:2*10=20
Then replace the middle coefficieant with coefficients that multiply to give you ac=20, but add to give you b=9



(2a+5)(a+2)
Happy Calculating!!!
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