Question

Evaluate [(51 + 3) − 3^2] ÷ 9 ⋅ 2.

Answer 1

$\frac{51+3-3^2}{9*2 }$
Use PEMDAS
$\frac{54-3^2}{9*2}$

$\frac{54-9}{9*2}$

$\frac{45}{9*2}$

$\frac{45}{18}$

Simplify the fraction 

Final answer: 
$\frac{5}{2} ~or~ 2.5$

Answer 2

Use PEMDAS:

[(51+3)- 3^2] /9* 2
= (54 -9) /9* 2
= 45/9* 2
= 5* 2
= 10

The final answer is 10~