Question

find the value of polynomial 5x-4x2+3at x=2​

Answer 1

Step-by-step explanation:

Polynomial -> 5x - 4x² + 3

= 4x² - 5x + 3

When x=2,

Polynomial = 4(2)² - 5(2) + 3

= 4×4 - 10 + 3

= 19 - 10

= 9

When x = - 1,

Polynomial = 4(-1)² - 5(-1) + 3

= 4×1 + 5 + 3

= 12

Hope it helps