Question

Evaluate 5x + (-2x2) for x = 3.

Answer 1

21
-3
11

Answer 2

\( \color{Black}{\Rightarrow 5(3) - 2(3)^2 }\)
\( \color{Black}{\Rightarrow 15 - 2(9) }\)
\( \color{Black}{\Rightarrow 15 - 18 }\)
\( \color{Black}{\Rightarrow -3 }\)

Answer 3

\[\rightarrow -3\]

Answer 4

thanks