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1 vote
What’s (X-4) (x+5)
I don’t get it someone help

2 Answers

5 votes
you have to find out what x is because x is an imaginary number
User Anand Somani
by
9.1k points
5 votes
Heya! I am going to show you something step by step, I hope this helps you hun.

=(x+−4)(x+5)

=(x)(x)+(x)(5)+(−4)(x)+(−4)(5)


=x2+5x4x−20


=x2+x20

(The 2 is to the second power between.)

Please message me for further help! - Hannah
User Sirrocco
by
8.2k points

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