Solve the following inequations by algebraic method.
`15x^(2)+4x-4 le 0`

Solve the following inequations by graphical method. 15x^(2)+4x-4 le 0

Solve the following inequations by algebraic method. x^(2)-4x-21 ge 0

Solve the following inequations by algebraic method. x^(2)-2x+1 lt 0

Solve the following inequations by algebraic method. 2-3x-2x^(2) ge 0

Solve the following inequations by graphical method. 4-x^(2) gt0

Solve the following inequations by graphical method. x^(2)-4x-21 ge 0

Solve the follwing inequations by algebric and graphical methods. i) x^(2) – 8x + 15 gt 0 ii) 2x^(2) + 3x – 2 lt 0 iii) x^(2) - 4x + 5 gt 0 iv) 15x^(2) + 4x – 5 le 0

Solve the following inequation : 2le3x-4 le5 .

solve the following system of inequation by graphical method : 5x +4y le 40, x ge 2, y ge 3