Algebra Examples

x^{2} - 25

$x^{2} - 25$

Step 1

Rewrite

25

$25$ as

5^{2}

$5^{2}$ .

x^{2} - 5^{2}

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

Step 2

Since both terms are perfect squares, factor using the difference of squares formula,

a^{2} - b^{2} = (a + b) (a - b)

$a^{2} - b^{2} = (a + b) (a - b)$ where

a = x

$a = x$ and

b = 5

$b = 5$ .

(x + 5) (x - 5)

$(x + 5) (x - 5)$

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

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