Question

if a = -2, b = 4 and c = -9 then form quadratic equation​

Answer 1

Answer:

Equation =     -2x^2 + 4x - 9 = 0

Step-by-step explanation:

Answer 2

Step-by-step explanation:

$- 2 {x}^{2} + 4x - 9$

By using

$a {x}^{2} + bx + c$

$- 2 \times {x}^{2} + 4 \times x + { - 9} \\ - 2 {x}^{2} + 4x - 9$