Q20 of 52 Page 3

Solve for x: 
         (x + 1) (x + 3) = (x + 4) (x – 1)

(x + 1) (x + 3) = (x + 4) (x – 1)
   x2 + 4x + 3  =  x2 + 3x – 4
           4x + 3  =  3x – 4
                   x  =  – 7

More from this chapter

All 52 →
18 Find at least 3 solutions for the following linear equation in two variables: 2x + 3y = 4 19 Solve for x: 
         (x -1) (x - 2) - (x - 3) (x - 4) = 24 21 Find at least 3 solutions for the following linear equation in two variables: 2x-3y= -11 22

Solve for x: 
  √3u – 2 = 2 √3 + 4