A few days ago

Anonymous

Hi, how are you?

Can you please help me?

7. (x + 2)(2x – 1)

8. (3x + 4)(-x + 7)

And if your good at math…. Can you please email me?

Thanks in advance!

Peace Out!

Top 3 Answers

A few days ago

nikki

Favorite Answer

(x+2)(2x-1)

USE THE FOIL METHOD: multiply the following:

F-first variables per quantity x and 2x = 2xsquared

O-outside variables x and -1= -x

I-inside variables 2 and 2x= 4x

L-last variables per quantity 2 and -1= -2

then combine:

2xsquared -x +4x -2=

2xsquared+3x-2

(3x+4)(-x+7)

F: 3x and -x= -3xsquared

O: 3x and 7 = 21x

I: 4 and -x= -4x

L: 4 and 7= 28

combine:

-3xsquared+ 21x -4x +28=

-3xsquared+ 17x +28

A few days ago

stargirl

7. 2xsquared + 3x – 2

8. -3xsquared +17x +28

A few days ago

nyam

7.) 2x squared +3x -2

8.) -3x squared +6x +28

this is the correct one…

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