Question 460505

7x squared + 3x -4=0

=> 7x2+ 3x -4 = 0

=> 7x2+ 7x - 4x -4 = 0

=> 7(x+1) -4(x+1) = 0

=> (7x-4)(x+1) = 0

x = 4/7 or x = -1