Calculus Examples

$2^{2} + 2 (2) + q = 9$

Step 1

Simplify $2^{2} + 2 (2) + q$ .

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Step 1.1

Simplify each term.

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Step 1.1.1

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

$4 + 2 (2) + q = 9$

Step 1.1.2

Multiply $2$ by $2$ .

$4 + 4 + q = 9$

Step 1.2

Add $4$ and $4$ .

$8 + q = 9$

Step 2

Move all terms not containing $q$ to the right side of the equation.

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Step 2.1

Subtract $8$ from both sides of the equation.

$q = 9 - 8$

Step 2.2

Subtract $8$ from $9$ .

$q = 1$