Question

Find the value of the polynomial 5x-4x2 3 when x=-1

Answer 1

I hope this answer helps you!

Answer 2

Step-by-step explanation:

x= -1

5x - 4x^2 + 3

= 5(-1) - 4(-1)^2 + 3

= - 5 - 4(1) + 3

= - 5 - 4 + 3

= - 9 + 3

= 6

OR

x= -1

5x - 4x^2 - 3

= 5(-1) - 4(-1)^2 - 3

= - 5 - 4(1) - 3

= - 5 - 4 - 3

= - 9 - 3

= -12