How do you evaluate $c + 2 a^{2}$ $c + 2a^2$ given a = 3 and c = −1?

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Answer 1 · 2018-06-22T00:04:43

$17$ $17$

We have all of the values we need, so let's just plug them in. We will get

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

Which simplifies to

$- 1 + 2 (9)$ $-1+2(9)$

$\Rightarrow - 1 + 18 = 18 - 1 = 17$ $=>-1+18=18-1=color(blue)(17)$

Hope this helps!

How do you evaluate c+2a2c + 2a^2 given a = 3 and c = −1?