Question

PLEASE HELP!!! WILL MARK BRAINLIEST!!!

Answer 1

Answer:

18

Step-by-step explanation:

Important things to know:

“PEMDAS” is parenthesis, exponents, multiplication, division, addition, subtraction

equation: $\frac{2(x^{2}+18) }{x}$

If x = 3, than

→  $\frac{2((3)^{2}+18) }{3}$

after plugging in 3, we solve inside the parenthesis

3 to the power of 2 is 3 x 3 = 9

→    $\frac{2(9 + 18)}{3}$

than you add the remaining things in the parenthesis where 9 + 18 = 27

→    $\frac{2(27)}{3}$

multiply 27 by 2 = 54

→    $\frac{54}{3} = 18$

divided 54 by 3 to get 18 as your final answer

Learn more about PEMDAS here: brainly.com/question/36185

Answer 2

Answer:

18

Step-by-step explanation:

Replace x with 3 in the equation.

$\frac{2(3^2+18)}{3}$

Solve the exponent and what is in the parenthesis.

$\frac{2(27)}{3}$

Multiply.

$\frac{54}{3}$

Divide.

18