Algebra Examples

$4^{2} - - 5^{2}$

Step 1

Replace all occurrences of $-$ $-$ with a single $+$ . Two consecutive minus signs have the same mathematical meaning as a single plus sign because $- 1 \cdot - 1 = 1$

$4^{2} + 5^{2}$

Step 2

Simplify each term.

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Step 2.1

Raise $4$ to the power of $2$ .

$16 + 5^{2}$

Step 2.2

Raise $5$ to the power of $2$ .

$16 + 25$

Step 3

Add $16$ and $25$ .

$41$