186k views
2 votes
Factor the trionomial below. x^2 + 6x - 27

User Juanagui
by
7.9k points

1 Answer

10 votes

Answer:

(x−3)(x+9)

Explanation:

The middle number is 6 and the last number is -27.

Factoring means we want something like

(x+_)(x+_)

Which numbers go in the blanks?

We need two numbers that...

Add together to get 6

Multiply together to get -27

Can you think of the two numbers?

Try -3 and 9:

-3+9 = 6

-3*9 = -27

Fill in the blanks in

(x+_)(x+_)

with -3 and 9 to get...

(x-3)(x+9)

User FernAndr
by
7.8k points

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