Algebra Examples

Evaluate $3 + j k + k^{3}$ when $j = 2$ and $k = 6$

Step 1

Replace the variable $j$ with $2$ in the expression.

$3 + (2) \cdot k + k^{3}$

Step 2

Replace the variable $k$ with $6$ in the expression.

$3 + (2) \cdot (6) + {(6)}^{3}$

Step 3

Simplify each term.

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Step 3.1

Multiply $2$ by $6$ .

$3 + 12 + {(6)}^{3}$

Step 3.2

Raise $6$ to the power of $3$ .

$3 + 12 + 216$

Step 4

Simplify by adding numbers.

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Step 4.1

Add $3$ and $12$ .

$15 + 216$

Step 4.2

Add $15$ and $216$ .

$231$