Question

4. Factorise x2 -9x -22

please help me it's urgentt pleasee​

Answer 1

Answer:

Hope this will help you

Answer 2

Answer:

Let's factor x2−9x−22

x2−9x−22

The middle number is -9 and the last number is -22.

Factoring means we want something like

(x+_)(x+_)

Which numbers go in the blanks?

We need two numbers that...

Add together to get -9

Multiply together to get -22

Can you think of the two numbers?

Try 2 and -11:

2+-11 = -9

2*-11 = -22

Fill in the blanks in

(x+_)(x+_)

with 2 and -11 to get...

(x+2)(x-11)

Answer:

(x+2)(x−11)

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