Question

Look at the quadratic polynomial 5x2 - x – 2, find the value of + + 4​

Answer 1

Step-by-step explanation:

given polynomial

$5 {x}^{2} - x - 2$

for x =4

$5 ({4})^{2} - 4 - 2$

$5(16) - 4 - 2$

$80 - 6$

$= 74$