Verified answer

1. 2x^2-5x+4x=0.

2. -6x^2+x+5=0

3.9x^2+44+x=0

прости если не так написала..

[tex]a {x}^{2} + bx + c = 0[/tex]

[tex]2 {x}^{2} - 5x + 4 = 0 \\ - 6 {x}^{2} + 5 = 0 \\ 9 {x }^{2} + 44x = 0[/tex]