Asked by Anonymous

factor completely

(x+9)^2 -5(x+9)-6

how do i do this one?
Answered by bobpursley
Pretend it is

u^2-5u-6

factor, then substitue back in.
Answered by Reiny
how about letting x+9 equal y, then your expression is
y^2 - 5y - 6

now it is easy to see the factors, once done replace y with x+9

let me know what you got
Answered by jennifer
x+9=y

y^2-5y-6

(y-3)(y+2)

(x+9-3)(x+9+2)

is this it or close?

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