How do you factor $x^{2} - 16 y^{2}$ $x^2 - 16y^2$ ?

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Answer 1 · 2018-04-02T10:45:38

This is known as the difference of two squares
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Referring to the difference of two squares

$x^{2} - 16 y^{2}$ $x^2-16y^2$
$= x^{2} - {(4 y)}^{2}$ $= x^2 - (4y)^2$
$= (x - 4 y) (x + 4 y)$ $= (x-4y)(x+4y)$

From the answer,
You can see that
$a = X$ $a= X$
$b = 4 y$ $b= 4y$

How do you factor x^2 - 16y^2x2−16y2x^2 - 16y^2?