Pre-Algebra Examples

$3^{2} - 2 \cdot 3 + u = (3^{3} - 3 \cdot 8) (2) + u$

Step 1

Simplify $3^{2} - 2 \cdot 3 + u$ .

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Step 1.1

Simplify each term.

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Step 1.1.1

Raise $3$ to the power of $2$ .

$9 - 2 \cdot 3 + u = (3^{3} - 3 \cdot 8) (2) + u$

Step 1.1.2

Multiply $- 2$ by $3$ .

$9 - 6 + u = (3^{3} - 3 \cdot 8) (2) + u$

Step 1.2

Subtract $6$ from $9$ .

$3 + u = (3^{3} - 3 \cdot 8) (2) + u$

Step 2

Simplify each term.

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Step 2.1

Simplify each term.

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Step 2.1.1

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

$3 + u = (27 - 3 \cdot 8) \cdot 2 + u$

Step 2.1.2

Multiply $- 3$ by $8$ .

$3 + u = (27 - 24) \cdot 2 + u$

Step 2.2

Subtract $24$ from $27$ .

$3 + u = 3 \cdot 2 + u$

Step 2.3

Multiply $3$ by $2$ .

$3 + u = 6 + u$

Step 3

Graph each side of the equation. The solution is the x-value of the point of intersection.

No solution

Step 4