What the value of the expression $6c^2-5d+8$ when $c=5$ and $d=4$ ?

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Answer 1 · 2016-04-12T03:16:57

$6c^2 - 5d + 8 = 138$

You just put the values in the place of the unknowns/variables and calculate it:

$6 * 5^2 - 5 * 4 + 8 =>$
$6 * 5 * 5 - 20 + 8 =>$
$150 - 20 + 8 = 138$

What the value of the expression 6c^2-5d+86c^2-5d+8 when c=5c=5 and d=4d=4?