Question

pls solve 9th question??​

Answer 1

Answer:

16

Step-by-step explanation:

$5 \times {1}^{2} + 3 \times 1 + 8 \\ 5 \times 1 + 3 + 8 \\ 5 + 3 + 8 \\ 16$

Answer 2

Answer:

$5x {}^{2} - 3x + 8$

$given \: x = 1$

$5(1) {}^{2} - 3(1) + 8$

$5 - 3 + 8$

$5 + 8 - 3$

$5 + 5$

$10$