Algebra Examples

$(x^{2} - 4 x - 21) - (x + 3)$

Step 1

Simplify each term.

Tap for more steps...

Step 1.1

Apply the distributive property.

$x^{2} - 4 x - 21 - x - 1 \cdot 3$

Step 1.2

Multiply $- 1$ by $3$ .

$x^{2} - 4 x - 21 - x - 3$

$x^{2} - 4 x - 21 - x - 3$

Step 2

Simplify by adding terms.

Tap for more steps...

Step 2.1

Subtract $x$ from $- 4 x$ .

$x^{2} - 5 x - 21 - 3$

Step 2.2

Subtract $3$ from $- 21$ .

$x^{2} - 5 x - 24$

$x^{2} - 5 x - 24$

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