Factor the trinomial. -a^2 + 12a - 27

Holt McDougal Larson Algebra 1 Common Core Edition page 538 number 6

Asked by Dee Dee on 25 Mar 10:32

Last updated by anonymous on 28 Mar 11:17

Answered by CherieS on 28 Mar 11:17

-a^2 + 12a - 27

-1(a2+ +-12a +27)

-1 (a )(a ) ( -9)( -3)

-1 (a-9)(a-3)

Check

-1(a-9)(a-3)

-1 (a)(a) (a)(-3) (-9)(a) (-9)(-3)

-1 a2 -3a -9a +27

-1(a2-12a+27)

-a2+12a-27