QuestionEvaluate $-6(z-6)+2 z^{2}$ for $z=7$ .

Studdy Solution

STEP 1

Assumptions1. The variable $z$ is equal to7

STEP 2

First, we need to substitute the value of $z$ into the given expression.
$-6(z-6)+2 z^{2} = -6(7-6)+2(7)^{2}$

STEP 3

Now, we simplify the expression inside the brackets.
$-6(7-6)+2(7)^{2} = -6(1)+2(49)$

STEP 4

Next, we perform the multiplication operations.
$-6(1)+2(49) = -6+98$

STEP 5

Finally, we perform the addition operation to evaluate the expression.
$-+98 =92$ So, the value of the expression $-(z-)+2 z^{2}$ for $z=7$ is92.

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