How do you evaluate $4 a + 2 b - c^{2}$ $4a+2b-c^2$ given a=12, b=9, c=4?

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Answer 1 · 2017-02-16T07:20:21

$4 (12) + 2 (9) - {(4)}^{2} = 50$ $4(12)+2(9)-(4)^2 = 50$

$a = 12, b = 9$ $a = 12, b = 9$ & $c = 4$ $c = 4$ , equation: $4 a + 2 b - c^{2}$ $4a+2b-c^2$

Substitute these values into the equation and solve:
$4 (12) + 2 (9) - {(4)}^{2} = 50$ $4(12)+2(9)-(4)^2 = 50$

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