Question

Find th value of the polynomial 5x-4x²+3 at​

Answer 1

Answer:

2

Step-by-step explanation:

in value of polinomial we write the greatest cube which a number in the equation have

Answer 2

Answer:

Step-by-step explanation:

5x-4x2+3

=4x^2-5x-3  (multiplying the above eqn with -1)

d=b^2-4ac

d=(-5)^2 -4(4)(3)

d=25-48

d=-23

x=-b±√d/2a

x=5±√23/2×4

x=5+√23/8     OR x= 5-√23/8