algebra · worked example

Solve x² - 16

Method: Differenz von Quadraten. Verified step-by-step solution with our free AI math solver.

Problem

$x^2 - 16$

Step-by-step solution

Erkenne $x^2 - 16$ als $a^2 - b^2$ mit $a = x$ und $b = 4$ (da $4^2 = 16$ ).
Wende die Identität $a^2 - b^2 = (a-b)(a+b)$ an.
Ergebnis: $(x - 4)(x + 4)$ .

Answer

$(x - 4)(x + 4)$

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