Question

1. 3x² - 7x + 4 = 0

2. 2x² - (x - 3)² = -2

2. 6x² + 7x - 5 = 0

Answer 1

1. 3x^2 - 7x + 4=0
     x^2 - 7x + 12=0
     (x-4)   (x-3)
    x+4/3   x+3/3=1

2. 2x^2 - (x-3)^2 = -2
    2x^2 - (x^2 - 6x +9) = -2
    2x^2 - x^2 + 6x -9 +2 = 0
      x^2 + 6x -7=0
      (x+7)   (X-1)
     x= -7    x= 1

3.6x^2 + 7x - 5 =0

x^2 + 7x - 30 = 0

(x+10) (X-3)

x= - 10/6    x= 3/6