Fill in the blanks to make the equation true.

Question

Fill in the blanks to make the equation true.

(x−1)(x+2)=x2________ −2

Answer 1

Hi again, Kiranpreet,

 

Work this the same as the last.  FOIL:

 

First:  x * x  = x²

Outer:  x * 2 = 2x

Inner:  (-1) * x = -1x

Last:  (-1) * 2 = -2

 

This is:  x² + 2x - 1x - 2

 

Combine like terms:

 

x² +1x -2

 

What goes on the line?    + 1x