Algebra Examples

${(x - 3)}^{2}$

Step 1

Rewrite ${(x - 3)}^{2}$ as $(x - 3) (x - 3)$ .

$(x - 3) (x - 3)$

Step 2

Expand $(x - 3) (x - 3)$ using the FOIL Method.

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Step 2.1

Apply the distributive property.

$x (x - 3) - 3 (x - 3)$

Step 2.2

Apply the distributive property.

$x \cdot x + x \cdot - 3 - 3 (x - 3)$

Step 2.3

Apply the distributive property.

$x \cdot x + x \cdot - 3 - 3 x - 3 \cdot - 3$

$x \cdot x + x \cdot - 3 - 3 x - 3 \cdot - 3$

Step 3

Simplify and combine like terms.

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Step 3.1

Simplify each term.

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Step 3.1.1

Multiply $x$ by $x$ .

$x^{2} + x \cdot - 3 - 3 x - 3 \cdot - 3$

Step 3.1.2

Move $- 3$ to the left of $x$ .

$x^{2} - 3 \cdot x - 3 x - 3 \cdot - 3$

Step 3.1.3

Multiply $- 3$ by $- 3$ .

$x^{2} - 3 x - 3 x + 9$

$x^{2} - 3 x - 3 x + 9$

Step 3.2

Subtract $3 x$ from $- 3 x$ .

$x^{2} - 6 x + 9$

$x^{2} - 6 x + 9$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$