Respuesta :
Step-by-step explanation:
[tex]5x - 4 {x}^{2} + 3[/tex]
[tex]5(1) - 4 {(1)}^{2} + 3 \\ 5 - 4 + 3 = 4[/tex]
Step-by-step explanation:
Solution:
Given polynomial
5x - 4x² + 3
put x = 1
→ 5(1) - 4(1)² + 3
→ 5 - 4(1) + 3
→ 5 - 4 + 3
→ 8 - 4
→ 4.